22466690 has 16 divisors (see below), whose sum is σ = 42819192. Its totient is φ = 8457984.

The previous prime is 22466671. The next prime is 22466701. The reversal of 22466690 is 9666422.

It can be written as a sum of positive squares in 4 ways, for example, as 20784481 + 1682209 = 4559^2 + 1297^2 .

It is a super-2 number, since 2×22466690² = 1009504319112200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22466690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65909 + ... + 66248.

Almost surely, 2^22466690 is an apocalyptic number.

22466690 is a deficient number, since it is larger than the sum of its proper divisors (20352502).

22466690 is a wasteful number, since it uses less digits than its factorization.

22466690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132181.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 22466690 is about 4739.9040074668. The cubic root of 22466690 is about 282.1714247022.

The spelling of 22466690 in words is "twenty-two million, four hundred sixty-six thousand, six hundred ninety".