22769805 has 16 divisors (see below), whose sum is σ = 36872640. Its totient is φ = 11996928.

The previous prime is 22769797. The next prime is 22769819. The reversal of 22769805 is 50896722.

It is a happy number.

It is not a de Polignac number, because 22769805 - 2³ = 22769797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7900 + ... + 10389.

It is an arithmetic number, because the mean of its divisors is an integer number (2304540).

Almost surely, 2^22769805 is an apocalyptic number.

It is an amenable number.

22769805 is a deficient number, since it is larger than the sum of its proper divisors (14102835).

22769805 is a wasteful number, since it uses less digits than its factorization.

22769805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18380.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 22769805 is about 4771.7716835574. The cubic root of 22769805 is about 283.4347556935.

The spelling of 22769805 in words is "twenty-two million, seven hundred sixty-nine thousand, eight hundred five".