228522402 has 24 divisors (see below), whose sum is σ = 496572336. Its totient is φ = 75952536.

The previous prime is 228522401. The next prime is 228522419. The reversal of 228522402 is 204225822.

It is not an unprimeable number, because it can be changed into a prime (228522401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12048 + ... + 24539.

It is an arithmetic number, because the mean of its divisors is an integer number (20690514).

Almost surely, 2^228522402 is an apocalyptic number.

228522402 is an abundant number, since it is smaller than the sum of its proper divisors (268049934).

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

228522402 is a wasteful number, since it uses less digits than its factorization.

228522402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36942 (or 36939 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 228522402 is about 15116.9574319702. The cubic root of 228522402 is about 611.3776994919.

The spelling of 228522402 in words is "two hundred twenty-eight million, five hundred twenty-two thousand, four hundred two".