22260665 has 16 divisors (see below), whose sum is σ = 31857408. Its totient is φ = 14600256.

The previous prime is 22260649. The next prime is 22260671. The reversal of 22260665 is 56606222.

It is a cyclic number.

It is not a de Polignac number, because 22260665 - 2⁴ = 22260649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13022 + ... + 14631.

It is an arithmetic number, because the mean of its divisors is an integer number (1991088).

Almost surely, 2^22260665 is an apocalyptic number.

It is an amenable number.

22260665 is a deficient number, since it is larger than the sum of its proper divisors (9596743).

22260665 is a wasteful number, since it uses less digits than its factorization.

22260665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27688.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 22260665 is about 4718.1209183318. The cubic root of 22260665 is about 281.3062478448.

Adding to 22260665 its reverse (56606222), we get a palindrome (78866887).

The spelling of 22260665 in words is "twenty-two million, two hundred sixty thousand, six hundred sixty-five".