402203238 has 64 divisors (see below), whose sum is σ = 884183040. Its totient is φ = 121420800.

The previous prime is 402203227. The next prime is 402203239. The reversal of 402203238 is 832302204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402203239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983178 + ... + 983586.

It is an arithmetic number, because the mean of its divisors is an integer number (13815360).

Almost surely, 2^402203238 is an apocalyptic number.

402203238 is an abundant number, since it is smaller than the sum of its proper divisors (481979802).

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

402203238 is a wasteful number, since it uses less digits than its factorization.

402203238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773.

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

The square root of 402203238 is about 20055.0053103957. The cubic root of 402203238 is about 738.1566232162.

The spelling of 402203238 in words is "four hundred two million, two hundred three thousand, two hundred thirty-eight".