22472090 has 8 divisors (see below), whose sum is σ = 40449780. Its totient is φ = 8988832.

The previous prime is 22472089. The next prime is 22472111. The reversal of 22472090 is 9027422.

It can be written as a sum of positive squares in 2 ways, for example, as 21409129 + 1062961 = 4627^2 + 1031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123595 + ... + 1123614.

Almost surely, 2^22472090 is an apocalyptic number.

22472090 is a deficient number, since it is larger than the sum of its proper divisors (17977690).

22472090 is a wasteful number, since it uses less digits than its factorization.

22472090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247216.

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

The square root of 22472090 is about 4740.4736050315. The cubic root of 22472090 is about 282.1940300738.

The spelling of 22472090 in words is "twenty-two million, four hundred seventy-two thousand, ninety".