157222055 has 16 divisors (see below), whose sum is σ = 200465280. Its totient is φ = 118036512.

The previous prime is 157222031. The next prime is 157222067. The reversal of 157222055 is 550222751.

157222055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-157222055 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2432 + ... + 17898.

It is an arithmetic number, because the mean of its divisors is an integer number (12529080).

Almost surely, 2^157222055 is an apocalyptic number.

157222055 is a deficient number, since it is larger than the sum of its proper divisors (43243225).

157222055 is a wasteful number, since it uses less digits than its factorization.

157222055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15598.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 157222055 is about 12538.8219143586. The cubic root of 157222055 is about 539.7232864394.

The spelling of 157222055 in words is "one hundred fifty-seven million, two hundred twenty-two thousand, fifty-five".