250322138 has 24 divisors (see below), whose sum is σ = 422804340. Its totient is φ = 111003200.

The previous prime is 250322129. The next prime is 250322143. The reversal of 250322138 is 831223052.

It can be written as a sum of positive squares in 2 ways, for example, as 180983209 + 69338929 = 13453^2 + 8327^2 .

It is a super-2 number, since 2×250322138² = 125322345545782088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2693 + ... + 22536.

Almost surely, 2^250322138 is an apocalyptic number.

250322138 is a deficient number, since it is larger than the sum of its proper divisors (172482202).

250322138 is a wasteful number, since it uses less digits than its factorization.

250322138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25294 (or 25283 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 250322138 is about 15821.5719193764. The cubic root of 250322138 is about 630.2309877770.

The spelling of 250322138 in words is "two hundred fifty million, three hundred twenty-two thousand, one hundred thirty-eight".