157173022 has 8 divisors (see below), whose sum is σ = 239278536. Its totient is φ = 77413512.

The previous prime is 157173019. The next prime is 157173047. The reversal of 157173022 is 220371751.

157173022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×157173022² = 49406717689224968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586333 + ... + 586600.

It is an arithmetic number, because the mean of its divisors is an integer number (29909817).

Almost surely, 2^157173022 is an apocalyptic number.

157173022 is a deficient number, since it is larger than the sum of its proper divisors (82105514).

157173022 is a wasteful number, since it uses less digits than its factorization.

157173022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173002.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 157173022 is about 12536.8665144046. The cubic root of 157173022 is about 539.6671725913.

The spelling of 157173022 in words is "one hundred fifty-seven million, one hundred seventy-three thousand, twenty-two".