158022228 has 48 divisors (see below), whose sum is σ = 453810560. Its totient is φ = 41675904.

The previous prime is 158022223. The next prime is 158022229. The reversal of 158022228 is 822220851.

158022228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 158022195 and 158022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158022223) 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, 71263 + ... + 73446.

Almost surely, 2^158022228 is an apocalyptic number.

It is an amenable number.

158022228 is an abundant number, since it is smaller than the sum of its proper divisors (295788332).

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

158022228 is a wasteful number, since it uses less digits than its factorization.

158022228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144736 (or 144734 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 158022228 is about 12570.6892412469. The cubic root of 158022228 is about 540.6373681245.

The spelling of 158022228 in words is "one hundred fifty-eight million, twenty-two thousand, two hundred twenty-eight".