212162233 has 16 divisors (see below), whose sum is σ = 224985600. Its totient is φ = 199779840.

The previous prime is 212162219. The next prime is 212162239. The reversal of 212162233 is 332261212.

It is a cyclic number.

It is not a de Polignac number, because 212162233 - 2¹⁷ = 212031161 is a prime.

It is a super-2 number, since 2×212162233² = 90025626223092578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212162239) 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, 227913 + ... + 228841.

It is an arithmetic number, because the mean of its divisors is an integer number (14061600).

Almost surely, 2^212162233 is an apocalyptic number.

It is an amenable number.

212162233 is a deficient number, since it is larger than the sum of its proper divisors (12823367).

212162233 is a wasteful number, since it uses less digits than its factorization.

212162233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its digits is 864, while the sum is 22.

The square root of 212162233 is about 14565.7898172396. The cubic root of 212162233 is about 596.4252563472.

The spelling of 212162233 in words is "two hundred twelve million, one hundred sixty-two thousand, two hundred thirty-three".