22163633 has 4 divisors (see below), whose sum is σ = 23330160. Its totient is φ = 20997108.

The previous prime is 22163623. The next prime is 22163639. The reversal of 22163633 is 33636122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22163633 - 2⁸ = 22163377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22163639) 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, 583235 + ... + 583272.

It is an arithmetic number, because the mean of its divisors is an integer number (5832540).

Almost surely, 2^22163633 is an apocalyptic number.

It is an amenable number.

22163633 is a deficient number, since it is larger than the sum of its proper divisors (1166527).

22163633 is a wasteful number, since it uses less digits than its factorization.

22163633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166526.

The product of its digits is 3888, while the sum is 26.

The square root of 22163633 is about 4707.8267810105. The cubic root of 22163633 is about 280.8969239857.

Adding to 22163633 its reverse (33636122), we get a palindrome (55799755).

The spelling of 22163633 in words is "twenty-two million, one hundred sixty-three thousand, six hundred thirty-three".