157622 has 8 divisors (see below), whose sum is σ = 241056. Its totient is φ = 77272.

The previous prime is 157579. The next prime is 157627. The reversal of 157622 is 226751.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638 + ... + 849.

It is an arithmetic number, because the mean of its divisors is an integer number (30132).

2¹⁵⁷⁶²² is an apocalyptic number.

157622 is a deficient number, since it is larger than the sum of its proper divisors (83434).

157622 is a wasteful number, since it uses less digits than its factorization.

157622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542.

The product of its digits is 840, while the sum is 23.

The square root of 157622 is about 397.0163724584. The cubic root of 157622 is about 54.0180552336.

The spelling of 157622 in words is "one hundred fifty-seven thousand, six hundred twenty-two".