22774965 has 16 divisors (see below), whose sum is σ = 36633408. Its totient is φ = 12082176.

The previous prime is 22774963. The next prime is 22774979. The reversal of 22774965 is 56947722.

It is not a de Polignac number, because 22774965 - 2¹ = 22774963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22774963) by changing a digit.

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, 1039 + ... + 6828.

It is an arithmetic number, because the mean of its divisors is an integer number (2289588).

Almost surely, 2^22774965 is an apocalyptic number.

It is an amenable number.

22774965 is a deficient number, since it is larger than the sum of its proper divisors (13858443).

22774965 is a wasteful number, since it uses less digits than its factorization.

22774965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8068.

The product of its digits is 211680, while the sum is 42.

The square root of 22774965 is about 4772.3123326119. The cubic root of 22774965 is about 283.4561643511.

The spelling of 22774965 in words is "twenty-two million, seven hundred seventy-four thousand, nine hundred sixty-five".