213438022 has 24 divisors (see below), whose sum is σ = 388624176. Its totient is φ = 87495408.

The previous prime is 213438011. The next prime is 213438037. The reversal of 213438022 is 220834312.

213438022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45093 + ... + 49600.

It is an arithmetic number, because the mean of its divisors is an integer number (16192674).

Almost surely, 2^213438022 is an apocalyptic number.

213438022 is a deficient number, since it is larger than the sum of its proper divisors (175186154).

213438022 is a wasteful number, since it uses less digits than its factorization.

213438022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94732 (or 94725 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 213438022 is about 14609.5181987634. The cubic root of 213438022 is about 597.6183569507.

The spelling of 213438022 in words is "two hundred thirteen million, four hundred thirty-eight thousand, twenty-two".