22258455 has 16 divisors (see below), whose sum is σ = 36015840. Its totient is φ = 11737088.

The previous prime is 22258451. The next prime is 22258469. The reversal of 22258455 is 55485222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22258455 - 2² = 22258451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22258451) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7002 + ... + 9671.

It is an arithmetic number, because the mean of its divisors is an integer number (2250990).

Almost surely, 2^22258455 is an apocalyptic number.

22258455 is a deficient number, since it is larger than the sum of its proper divisors (13757385).

22258455 is a wasteful number, since it uses less digits than its factorization.

22258455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16770.

The product of its digits is 32000, while the sum is 33.

The square root of 22258455 is about 4717.8867091103. The cubic root of 22258455 is about 281.2969383388.

The spelling of 22258455 in words is "twenty-two million, two hundred fifty-eight thousand, four hundred fifty-five".