402232146 has 32 divisors (see below), whose sum is σ = 846331200. Its totient is φ = 127256640.

The previous prime is 402232091. The next prime is 402232151. The reversal of 402232146 is 641232204.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9325 + ... + 29856.

It is an arithmetic number, because the mean of its divisors is an integer number (26447850).

Almost surely, 2^402232146 is an apocalyptic number.

402232146 is an abundant number, since it is smaller than the sum of its proper divisors (444099054).

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

402232146 is a wasteful number, since it uses less digits than its factorization.

402232146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39274.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 402232146 is about 20055.7260152805. The cubic root of 402232146 is about 738.1743075761.

The spelling of 402232146 in words is "four hundred two million, two hundred thirty-two thousand, one hundred forty-six".