212925522 has 8 divisors (see below), whose sum is σ = 425851056. Its totient is φ = 70975172.

The previous prime is 212925499. The next prime is 212925541. The reversal of 212925522 is 225529212.

212925522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

212925522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 212925522.

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, 17743788 + ... + 17743799.

It is an arithmetic number, because the mean of its divisors is an integer number (53231382).

Almost surely, 2^212925522 is an apocalyptic number.

212925522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212925522 is a wasteful number, since it uses less digits than its factorization.

212925522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35487592.

The product of its digits is 7200, while the sum is 30.

The square root of 212925522 is about 14591.9677220038. The cubic root of 212925522 is about 597.1396467454.

The spelling of 212925522 in words is "two hundred twelve million, nine hundred twenty-five thousand, five hundred twenty-two".