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1222035313 is a prime number
BaseRepresentation
bin100100011010110…
…1100011101110001
310011011110211022011
41020311230131301
510000320112223
6321132242521
742166062112
oct11065543561
93134424264
101222035313
11577897244
122a1310441
1316623b125
14b8428209
157243e80d
hex48d6c771

1222035313 has 2 divisors, whose sum is σ = 1222035314. Its totient is φ = 1222035312.

The previous prime is 1222035307. The next prime is 1222035323. The reversal of 1222035313 is 3135302221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 983888689 + 238146624 = 31367^2 + 15432^2 .

It is an emirp because it is prime and its reverse (3135302221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222035313 - 229 = 685164401 is a prime.

It is not a weakly prime, because it can be changed into another prime (1222035323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611017656 + 611017657.

It is an arithmetic number, because the mean of its divisors is an integer number (611017657).

Almost surely, 21222035313 is an apocalyptic number.

It is an amenable number.

1222035313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222035313 is an equidigital number, since it uses as much as digits as its factorization.

1222035313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1222035313 is about 34957.6216725337. The cubic root of 1222035313 is about 1069.1236056068.

Adding to 1222035313 its reverse (3135302221), we get a palindrome (4357337534).

The spelling of 1222035313 in words is "one billion, two hundred twenty-two million, thirty-five thousand, three hundred thirteen".