250022157 has 24 divisors (see below), whose sum is σ = 423045792. Its totient is φ = 129880800.

The previous prime is 250022119. The next prime is 250022173. The reversal of 250022157 is 751220052.

250022157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 250022157 - 2⁸ = 250021901 is a prime.

It is a super-2 number, since 2×250022157² = 125022157981865298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250022177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75694 + ... + 78927.

It is an arithmetic number, because the mean of its divisors is an integer number (17626908).

Almost surely, 2^250022157 is an apocalyptic number.

It is an amenable number.

250022157 is a deficient number, since it is larger than the sum of its proper divisors (173023635).

250022157 is a wasteful number, since it uses less digits than its factorization.

250022157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154649 (or 154642 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 250022157 is about 15812.0889511791. The cubic root of 250022157 is about 629.9791351115.

The spelling of 250022157 in words is "two hundred fifty million, twenty-two thousand, one hundred fifty-seven".