22267470 has 32 divisors (see below), whose sum is σ = 53978400. Its totient is φ = 5878400.

The previous prime is 22267459. The next prime is 22267471. The reversal of 22267470 is 7476222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22267471) 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, 645 + ... + 6704.

It is an arithmetic number, because the mean of its divisors is an integer number (1686825).

Almost surely, 2^22267470 is an apocalyptic number.

22267470 is an abundant number, since it is smaller than the sum of its proper divisors (31710930).

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

22267470 is a wasteful number, since it uses less digits than its factorization.

22267470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7460.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 22267470 is about 4718.8420189703. The cubic root of 22267470 is about 281.3349096717.

The spelling of 22267470 in words is "twenty-two million, two hundred sixty-seven thousand, four hundred seventy".