22255633 has 4 divisors (see below), whose sum is σ = 22267620. Its totient is φ = 22243648.

The previous prime is 22255609. The next prime is 22255657. The reversal of 22255633 is 33655222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (22255609) and next prime (22255657).

It can be written as a sum of positive squares in 2 ways, for example, as 11444689 + 10810944 = 3383^2 + 3288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22255633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22255603) 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, 2548 + ... + 7141.

It is an arithmetic number, because the mean of its divisors is an integer number (5566905).

Almost surely, 2^22255633 is an apocalyptic number.

It is an amenable number.

22255633 is a deficient number, since it is larger than the sum of its proper divisors (11987).

22255633 is an equidigital number, since it uses as much as digits as its factorization.

22255633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11986.

The product of its digits is 10800, while the sum is 28.

The square root of 22255633 is about 4717.5876250474. The cubic root of 22255633 is about 281.2850499199.

It can be divided in two parts, 222 and 55633, that added together give a palindrome (55855).

The spelling of 22255633 in words is "twenty-two million, two hundred fifty-five thousand, six hundred thirty-three".