512214236 has 36 divisors (see below), whose sum is σ = 971705448. Its totient is φ = 236045664.

The previous prime is 512214181. The next prime is 512214239. The reversal of 512214236 is 632412215.

It is a happy number.

It is a super-2 number, since 2×512214236² = 524726847122127392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512214239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48635 + ... + 58221.

It is an arithmetic number, because the mean of its divisors is an integer number (26991818).

Almost surely, 2^512214236 is an apocalyptic number.

It is an amenable number.

512214236 is a deficient number, since it is larger than the sum of its proper divisors (459491212).

512214236 is a wasteful number, since it uses less digits than its factorization.

512214236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9666 (or 9645 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 512214236 is about 22632.1504943741. The cubic root of 512214236 is about 800.1115656906. Note that the first 3 decimals are identical.

The spelling of 512214236 in words is "five hundred twelve million, two hundred fourteen thousand, two hundred thirty-six".