22552263 has 20 divisors (see below), whose sum is σ = 33817080. Its totient is φ = 14977872.

The previous prime is 22552261. The next prime is 22552273. The reversal of 22552263 is 36225522.

22552263 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 22552263 - 2¹ = 22552261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22552261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40956 + ... + 41502.

It is an arithmetic number, because the mean of its divisors is an integer number (1690854).

Almost surely, 2^22552263 is an apocalyptic number.

22552263 is a deficient number, since it is larger than the sum of its proper divisors (11264817).

22552263 is an equidigital number, since it uses as much as digits as its factorization.

22552263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1059 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 22552263 is about 4748.9222987958. The cubic root of 22552263 is about 282.5292234890.

Adding to 22552263 its reverse (36225522), we get a palindrome (58777785).

The spelling of 22552263 in words is "twenty-two million, five hundred fifty-two thousand, two hundred sixty-three".