64212232 has 32 divisors (see below), whose sum is σ = 140958720. Its totient is φ = 26847360.

The previous prime is 64212193. The next prime is 64212233. The reversal of 64212232 is 23221246.

64212232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64212233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11688 + ... + 16279.

It is an arithmetic number, because the mean of its divisors is an integer number (4404960).

Almost surely, 2^64212232 is an apocalyptic number.

It is an amenable number.

64212232 is an abundant number, since it is smaller than the sum of its proper divisors (76746488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64212232 is a wasteful number, since it uses less digits than its factorization.

64212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28021 (or 28017 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 64212232 is about 8013.2535215105. The cubic root of 64212232 is about 400.4416621569.

Adding to 64212232 its reverse (23221246), we get a palindrome (87433478).

The spelling of 64212232 in words is "sixty-four million, two hundred twelve thousand, two hundred thirty-two".