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1222351230 = 23540745041
BaseRepresentation
bin100100011011011…
…1001100101111110
310011012001212122210
41020312321211332
510000410214410
6321143121250
742201546132
oct11066714576
93135055583
101222351230
11577a92631
122a1443226
1316631bb69
14b84ab3c2
15724a3220
hex48db997e

1222351230 has 16 divisors (see below), whose sum is σ = 2933643024. Its totient is φ = 325960320.

The previous prime is 1222351219. The next prime is 1222351241. The reversal of 1222351230 is 321532221.

It is an interprime number because it is at equal distance from previous prime (1222351219) and next prime (1222351241).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1222351197 and 1222351206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20372491 + ... + 20372550.

It is an arithmetic number, because the mean of its divisors is an integer number (183352689).

Almost surely, 21222351230 is an apocalyptic number.

1222351230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222351230 is an abundant number, since it is smaller than the sum of its proper divisors (1711291794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222351230 is a wasteful number, since it uses less digits than its factorization.

1222351230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40745051.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1222351230 is about 34962.1399516677. The cubic root of 1222351230 is about 1069.2157265730.

Adding to 1222351230 its reverse (321532221), we get a palindrome (1543883451).

The spelling of 1222351230 in words is "one billion, two hundred twenty-two million, three hundred fifty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 40745041 81490082 122235123 203725205 244470246 407450410 611175615 1222351230