22665506 has 8 divisors (see below), whose sum is σ = 34044780. Its totient is φ = 11317248.

The previous prime is 22665493. The next prime is 22665523. The reversal of 22665506 is 60556622.

It can be written as a sum of positive squares in 2 ways, for example, as 22231225 + 434281 = 4715^2 + 659^2 .

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

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, 5831 + ... + 8906.

Almost surely, 2^22665506 is an apocalyptic number.

22665506 is a deficient number, since it is larger than the sum of its proper divisors (11379274).

22665506 is a wasteful number, since it uses less digits than its factorization.

22665506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15508.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 22665506 is about 4760.8303897535. The cubic root of 22665506 is about 283.0013276834.

The spelling of 22665506 in words is "twenty-two million, six hundred sixty-five thousand, five hundred six".