22116258 has 24 divisors (see below), whose sum is σ = 48370608. Its totient is φ = 7302552.

The previous prime is 22116239. The next prime is 22116277. The reversal of 22116258 is 85261122.

It is a happy number.

22116258 is a `hidden beast` number, since 22 + 11 + 625 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (22116239) and next prime (22116277).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3816 + ... + 7667.

It is an arithmetic number, because the mean of its divisors is an integer number (2015442).

Almost surely, 2^22116258 is an apocalyptic number.

22116258 is an abundant number, since it is smaller than the sum of its proper divisors (26254350).

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

22116258 is a wasteful number, since it uses less digits than its factorization.

22116258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11598 (or 11595 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 22116258 is about 4702.7925746305. The cubic root of 22116258 is about 280.6966411668.

The spelling of 22116258 in words is "twenty-two million, one hundred sixteen thousand, two hundred fifty-eight".