22889655 has 16 divisors (see below), whose sum is σ = 40692960. Its totient is φ = 12207744.

The previous prime is 22889653. The next prime is 22889663. The reversal of 22889655 is 55698822.

22889655 = 5² + 6² + ... + 409².

It is not a de Polignac number, because 22889655 - 2¹ = 22889653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22889655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22889651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84642 + ... + 84911.

It is an arithmetic number, because the mean of its divisors is an integer number (2543310).

Almost surely, 2^22889655 is an apocalyptic number.

22889655 is a deficient number, since it is larger than the sum of its proper divisors (17803305).

22889655 is a wasteful number, since it uses less digits than its factorization.

22889655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169567 (or 169561 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 22889655 is about 4784.3134303680. The cubic root of 22889655 is about 283.9311767040.

The spelling of 22889655 in words is "twenty-two million, eight hundred eighty-nine thousand, six hundred fifty-five".