22766605 has 8 divisors (see below), whose sum is σ = 27585792. Its totient is φ = 18036048.

The previous prime is 22766599. The next prime is 22766641. The reversal of 22766605 is 50666722.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22766605 - 2⁷ = 22766477 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 21589 + ... + 22618.

It is an arithmetic number, because the mean of its divisors is an integer number (3448224).

Almost surely, 2^22766605 is an apocalyptic number.

It is an amenable number.

22766605 is a deficient number, since it is larger than the sum of its proper divisors (4819187).

22766605 is a wasteful number, since it uses less digits than its factorization.

22766605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44315.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 22766605 is about 4771.4363665462. The cubic root of 22766605 is about 283.4214773817.

The spelling of 22766605 in words is "twenty-two million, seven hundred sixty-six thousand, six hundred five".