232212156 has 48 divisors (see below), whose sum is σ = 592007808. Its totient is φ = 70257600.

The previous prime is 232212143. The next prime is 232212157. The reversal of 232212156 is 651212232.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232212157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133911 + ... + 135633.

It is an arithmetic number, because the mean of its divisors is an integer number (12333496).

Almost surely, 2^232212156 is an apocalyptic number.

It is an amenable number.

232212156 is an abundant number, since it is smaller than the sum of its proper divisors (359795652).

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

232212156 is a wasteful number, since it uses less digits than its factorization.

232212156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762 (or 2760 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 232212156 is about 15238.5089821806. The cubic root of 232212156 is about 614.6506099255.

Adding to 232212156 its reverse (651212232), we get a palindrome (883424388).

The spelling of 232212156 in words is "two hundred thirty-two million, two hundred twelve thousand, one hundred fifty-six".