912522228 has 12 divisors (see below), whose sum is σ = 2129218560. Its totient is φ = 304174072.

The previous prime is 912522211. The next prime is 912522257. The reversal of 912522228 is 822225219.

It is a tau number, because it is divible by the number of its divisors (12).

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, 38021748 + ... + 38021771.

It is an arithmetic number, because the mean of its divisors is an integer number (177434880).

Almost surely, 2^912522228 is an apocalyptic number.

It is an amenable number.

912522228 is an abundant number, since it is smaller than the sum of its proper divisors (1216696332).

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

912522228 is a wasteful number, since it uses less digits than its factorization.

912522228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76043526 (or 76043524 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 912522228 is about 30207.9828522197. The cubic root of 912522228 is about 969.9465829514.

The spelling of 912522228 in words is "nine hundred twelve million, five hundred twenty-two thousand, two hundred twenty-eight".