213874222 has 16 divisors (see below), whose sum is σ = 338570640. Its totient is φ = 101046528.

The previous prime is 213874211. The next prime is 213874231. The reversal of 213874222 is 222478312.

It is a super-2 number, since 2×213874222² = 91484365672210568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7998 + ... + 22174.

It is an arithmetic number, because the mean of its divisors is an integer number (21160665).

Almost surely, 2^213874222 is an apocalyptic number.

213874222 is a deficient number, since it is larger than the sum of its proper divisors (124696418).

213874222 is a wasteful number, since it uses less digits than its factorization.

213874222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14595.

The product of its digits is 10752, while the sum is 31.

The square root of 213874222 is about 14624.4392029233. The cubic root of 213874222 is about 598.0251944061.

The spelling of 213874222 in words is "two hundred thirteen million, eight hundred seventy-four thousand, two hundred twenty-two".