212255232 has 160 divisors (see below), whose sum is σ = 680908800. Its totient is φ = 57397248.

The previous prime is 212255231. The next prime is 212255249. The reversal of 212255232 is 232552212.

212255232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212255232² = 90104567022747648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (212255231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203769 + ... + 204807.

It is an arithmetic number, because the mean of its divisors is an integer number (4255680).

Almost surely, 2^212255232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212255232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340454400).

212255232 is an abundant number, since it is smaller than the sum of its proper divisors (468653568).

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

212255232 is a wasteful number, since it uses less digits than its factorization.

212255232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1070 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 212255232 is about 14568.9818450021. The cubic root of 212255232 is about 596.5123891184.

The spelling of 212255232 in words is "two hundred twelve million, two hundred fifty-five thousand, two hundred thirty-two".