22055963 has 4 divisors (see below), whose sum is σ = 22229760. Its totient is φ = 21882168.

The previous prime is 22055933. The next prime is 22055981. The reversal of 22055963 is 36955022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22055963 - 2⁸ = 22055707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22055933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86708 + ... + 86961.

It is an arithmetic number, because the mean of its divisors is an integer number (5557440).

Almost surely, 2^22055963 is an apocalyptic number.

22055963 is a deficient number, since it is larger than the sum of its proper divisors (173797).

22055963 is a wasteful number, since it uses less digits than its factorization.

22055963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173796.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 22055963 is about 4696.3776466549. The cubic root of 22055963 is about 280.4413235977.

The spelling of 22055963 in words is "twenty-two million, fifty-five thousand, nine hundred sixty-three".