212150922 has 32 divisors (see below), whose sum is σ = 472910400. Its totient is φ = 63053568.

The previous prime is 212150909. The next prime is 212150957. The reversal of 212150922 is 229051212.

It is a junction number, because it is equal to n+sod(n) for n = 212150892 and 212150901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52797 + ... + 56672.

It is an arithmetic number, because the mean of its divisors is an integer number (14778450).

Almost surely, 2^212150922 is an apocalyptic number.

212150922 is an abundant number, since it is smaller than the sum of its proper divisors (260759478).

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

212150922 is a wasteful number, since it uses less digits than its factorization.

212150922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109510.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 212150922 is about 14565.4015392642. The cubic root of 212150922 is about 596.4146570904.

The spelling of 212150922 in words is "two hundred twelve million, one hundred fifty thousand, nine hundred twenty-two".