158471022 has 32 divisors (see below), whose sum is σ = 328567680. Its totient is φ = 50893920.

The previous prime is 158471021. The next prime is 158471041. The reversal of 158471022 is 220174851.

158471022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158471022² = 50226129627448968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158471021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140553 + ... + 141675.

It is an arithmetic number, because the mean of its divisors is an integer number (10267740).

Almost surely, 2^158471022 is an apocalyptic number.

158471022 is an abundant number, since it is smaller than the sum of its proper divisors (170096658).

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

158471022 is a wasteful number, since it uses less digits than its factorization.

158471022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 158471022 is about 12588.5273960063. The cubic root of 158471022 is about 541.1487001313.

The spelling of 158471022 in words is "one hundred fifty-eight million, four hundred seventy-one thousand, twenty-two".