157959222 has 8 divisors (see below), whose sum is σ = 315918456. Its totient is φ = 52653072.

The previous prime is 157959199. The next prime is 157959233. The reversal of 157959222 is 222959751.

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

157959222 is an admirable number.

It is a super-3 number, since 3×157959222³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 13163263 + ... + 13163274.

It is an arithmetic number, because the mean of its divisors is an integer number (39489807).

Almost surely, 2^157959222 is an apocalyptic number.

157959222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157959222 is a wasteful number, since it uses less digits than its factorization.

157959222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26326542.

The product of its digits is 113400, while the sum is 42.

The square root of 157959222 is about 12568.1829235574. The cubic root of 157959222 is about 540.5655049724.

The spelling of 157959222 in words is "one hundred fifty-seven million, nine hundred fifty-nine thousand, two hundred twenty-two".