157022 has 4 divisors (see below), whose sum is σ = 235536. Its totient is φ = 78510.

The previous prime is 157019. The next prime is 157037. The reversal of 157022 is 220751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220751 = 31 ⋅7121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39254 + ... + 39257.

It is an arithmetic number, because the mean of its divisors is an integer number (58884).

2¹⁵⁷⁰²² is an apocalyptic number.

157022 is a deficient number, since it is larger than the sum of its proper divisors (78514).

157022 is an equidigital number, since it uses as much as digits as its factorization.

157022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78513.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 157022 is about 396.2600156463. The cubic root of 157022 is about 53.9494268165.

Adding to 157022 its reverse (220751), we get a palindrome (377773).

The spelling of 157022 in words is "one hundred fifty-seven thousand, twenty-two".