202213928 has 32 divisors (see below), whose sum is σ = 442540800. Its totient is φ = 84818112.

The previous prime is 202213919. The next prime is 202213937. The reversal of 202213928 is 829312202.

It is an interprime number because it is at equal distance from previous prime (202213919) and next prime (202213937).

It is a self number, because there is not a number n which added to its sum of digits gives 202213928.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35783 + ... + 41046.

It is an arithmetic number, because the mean of its divisors is an integer number (13829400).

Almost surely, 2^202213928 is an apocalyptic number.

202213928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

202213928 is an abundant number, since it is smaller than the sum of its proper divisors (240326872).

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

202213928 is a wasteful number, since it uses less digits than its factorization.

202213928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76889 (or 76885 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 202213928 is about 14220.1943727925. The cubic root of 202213928 is about 586.9534889389.

The spelling of 202213928 in words is "two hundred two million, two hundred thirteen thousand, nine hundred twenty-eight".