22965556 has 6 divisors (see below), whose sum is σ = 40189730. Its totient is φ = 11482776.

The previous prime is 22965529. The next prime is 22965557. The reversal of 22965556 is 65556922.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22184100 + 781456 = 4710^2 + 884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22965557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2870691 + ... + 2870698.

Almost surely, 2^22965556 is an apocalyptic number.

It is an amenable number.

22965556 is a deficient number, since it is larger than the sum of its proper divisors (17224174).

22965556 is a wasteful number, since it uses less digits than its factorization.

22965556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741393 (or 5741391 counting only the distinct ones).

The product of its digits is 162000, while the sum is 40.

The square root of 22965556 is about 4792.2391426138. The cubic root of 22965556 is about 284.2446645177.

The spelling of 22965556 in words is "twenty-two million, nine hundred sixty-five thousand, five hundred fifty-six".