22620963 has 16 divisors (see below), whose sum is σ = 32065280. Its totient is φ = 14144544.

The previous prime is 22620947. The next prime is 22620973. The reversal of 22620963 is 36902622.

It is not a de Polignac number, because 22620963 - 2⁴ = 22620947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22620963.

It is not an unprimeable number, because it can be changed into a prime (22620943) 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, 3945 + ... + 7797.

It is an arithmetic number, because the mean of its divisors is an integer number (2004080).

Almost surely, 2^22620963 is an apocalyptic number.

22620963 is a deficient number, since it is larger than the sum of its proper divisors (9444317).

22620963 is a wasteful number, since it uses less digits than its factorization.

22620963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 22620963 is about 4756.1500186601. The cubic root of 22620963 is about 282.8158182592.

The spelling of 22620963 in words is "twenty-two million, six hundred twenty thousand, nine hundred sixty-three".