22870331 has 6 divisors (see below), whose sum is σ = 25138596. Its totient is φ = 20791100.

The previous prime is 22870327. The next prime is 22870361. The reversal of 22870331 is 13307822.

It is not a de Polignac number, because 22870331 - 2² = 22870327 is a prime.

It is a super-2 number, since 2×22870331² = 1046104080099122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22870331.

It is not an unprimeable number, because it can be changed into a prime (22870361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94385 + ... + 94626.

It is an arithmetic number, because the mean of its divisors is an integer number (4189766).

Almost surely, 2^22870331 is an apocalyptic number.

22870331 is a deficient number, since it is larger than the sum of its proper divisors (2268265).

22870331 is a wasteful number, since it uses less digits than its factorization.

22870331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189033 (or 189022 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 22870331 is about 4782.2934874388. The cubic root of 22870331 is about 283.8512536881.

The spelling of 22870331 in words is "twenty-two million, eight hundred seventy thousand, three hundred thirty-one".