229722402 has 32 divisors (see below), whose sum is σ = 565471872. Its totient is φ = 60585984.

The previous prime is 229722397. The next prime is 229722403. The reversal of 229722402 is 204227922.

It is a self number, because there is not a number n which added to its sum of digits gives 229722402.

It is not an unprimeable number, because it can be changed into a prime (229722403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209823 + ... + 210914.

It is an arithmetic number, because the mean of its divisors is an integer number (17670996).

Almost surely, 2^229722402 is an apocalyptic number.

229722402 is an abundant number, since it is smaller than the sum of its proper divisors (335749470).

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

229722402 is a wasteful number, since it uses less digits than its factorization.

229722402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420762.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 229722402 is about 15156.5959898653. The cubic root of 229722402 is about 612.4459722995.

The spelling of 229722402 in words is "two hundred twenty-nine million, seven hundred twenty-two thousand, four hundred two".