2158012422 has 32 divisors (see below), whose sum is σ = 4861284960. Its totient is φ = 709482240.

The previous prime is 2158012403. The next prime is 2158012469. The reversal of 2158012422 is 2242108512.

It is a super-2 number, since 2×2158012422² = 9314035227012612168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269779 + ... + 277662.

It is an arithmetic number, because the mean of its divisors is an integer number (151915155).

Almost surely, 2^2158012422 is an apocalyptic number.

2158012422 is an abundant number, since it is smaller than the sum of its proper divisors (2703272538).

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

2158012422 is a wasteful number, since it uses less digits than its factorization.

2158012422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547525 (or 547519 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2158012422 is about 46454.4122985105. The cubic root of 2158012422 is about 1292.2642009549.

The spelling of 2158012422 in words is "two billion, one hundred fifty-eight million, twelve thousand, four hundred twenty-two".