223030236 has 48 divisors (see below), whose sum is σ = 611388288. Its totient is φ = 62385600.

The previous prime is 223030231. The next prime is 223030237. The reversal of 223030236 is 632030322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223030231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63270 + ... + 66701.

It is an arithmetic number, because the mean of its divisors is an integer number (12737256).

Almost surely, 2^223030236 is an apocalyptic number.

223030236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

223030236 is an abundant number, since it is smaller than the sum of its proper divisors (388358052).

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

223030236 is a wasteful number, since it uses less digits than its factorization.

223030236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130002 (or 130000 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 223030236 is about 14934.1968649138. The cubic root of 223030236 is about 606.4401055281.

Adding to 223030236 its reverse (632030322), we get a palindrome (855060558).

The spelling of 223030236 in words is "two hundred twenty-three million, thirty thousand, two hundred thirty-six".