402229700 has 18 divisors (see below), whose sum is σ = 872838666. Its totient is φ = 160891840.

The previous prime is 402229691. The next prime is 402229717. The reversal of 402229700 is 7922204.

It can be written as a sum of positive squares in 3 ways, for example, as 948676 + 401281024 = 974^2 + 20032^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 402229700.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2011049 + ... + 2011248.

It is an arithmetic number, because the mean of its divisors is an integer number (48491037).

Almost surely, 2^402229700 is an apocalyptic number.

It is an amenable number.

402229700 is an abundant number, since it is smaller than the sum of its proper divisors (470608966).

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

402229700 is a wasteful number, since it uses less digits than its factorization.

402229700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022311 (or 4022304 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 402229700 is about 20055.6650350967. The cubic root of 402229700 is about 738.1728112777.

The spelling of 402229700 in words is "four hundred two million, two hundred twenty-nine thousand, seven hundred".