230621216 has 48 divisors (see below), whose sum is σ = 519934464. Its totient is φ = 98640384.

The previous prime is 230621191. The next prime is 230621233. The reversal of 230621216 is 612126032.

It is a super-2 number, since 2×230621216² = 106372290538637312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230621191 and 230621200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192716 + ... + 193908.

It is an arithmetic number, because the mean of its divisors is an integer number (10831968).

Almost surely, 2^230621216 is an apocalyptic number.

It is an amenable number.

230621216 is an abundant number, since it is smaller than the sum of its proper divisors (289313248).

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

230621216 is a wasteful number, since it uses less digits than its factorization.

230621216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 230621216 is about 15186.2179623499. The cubic root of 230621216 is about 613.2436867506.

Adding to 230621216 its reverse (612126032), we get a palindrome (842747248).

The spelling of 230621216 in words is "two hundred thirty million, six hundred twenty-one thousand, two hundred sixteen".