22855470 has 32 divisors (see below), whose sum is σ = 59840640. Its totient is φ = 5540640.

The previous prime is 22855457. The next prime is 22855477. The reversal of 22855470 is 7455822.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22855477) 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, 34300 + ... + 34959.

It is an arithmetic number, because the mean of its divisors is an integer number (1870020).

Almost surely, 2^22855470 is an apocalyptic number.

22855470 is an abundant number, since it is smaller than the sum of its proper divisors (36985170).

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

22855470 is a wasteful number, since it uses less digits than its factorization.

22855470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69280.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 22855470 is about 4780.7394825487. The cubic root of 22855470 is about 283.7897587686.

The spelling of 22855470 in words is "twenty-two million, eight hundred fifty-five thousand, four hundred seventy".