213333788 has 12 divisors (see below), whose sum is σ = 373852752. Its totient is φ = 106518720.

The previous prime is 213333761. The next prime is 213333817. The reversal of 213333788 is 887333312.

It is a super-2 number, since 2×213333788² = 91022610204857888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33773 + ... + 39588.

It is an arithmetic number, because the mean of its divisors is an integer number (31154396).

Almost surely, 2^213333788 is an apocalyptic number.

It is an amenable number.

213333788 is a deficient number, since it is larger than the sum of its proper divisors (160518964).

213333788 is a wasteful number, since it uses less digits than its factorization.

213333788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74092 (or 74090 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 213333788 is about 14605.9504312455. The cubic root of 213333788 is about 597.5210573626.

The spelling of 213333788 in words is "two hundred thirteen million, three hundred thirty-three thousand, seven hundred eighty-eight".