212032444 has 12 divisors (see below), whose sum is σ = 399599704. Its totient is φ = 97861104.

The previous prime is 212032417. The next prime is 212032511. The reversal of 212032444 is 444230212.

It is a happy number.

It is a super-2 number, since 2×212032444² = 89915514617226272, 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 3 ways as a sum of consecutive naturals, for example, 2038722 + ... + 2038825.

Almost surely, 2^212032444 is an apocalyptic number.

It is an amenable number.

212032444 is a deficient number, since it is larger than the sum of its proper divisors (187567260).

212032444 is a wasteful number, since it uses less digits than its factorization.

212032444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077564 (or 4077562 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 212032444 is about 14561.3338674724. Note that the first 3 decimals coincide. The cubic root of 212032444 is about 596.3036116561.

Adding to 212032444 its reverse (444230212), we get a palindrome (656262656).

The spelling of 212032444 in words is "two hundred twelve million, thirty-two thousand, four hundred forty-four".