22152263 has 6 divisors (see below), whose sum is σ = 25769016. Its totient is φ = 18987612.

The previous prime is 22152239. The next prime is 22152281. The reversal of 22152263 is 36225122.

It is not a de Polignac number, because 22152263 - 2⁸ = 22152007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22152223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225995 + ... + 226092.

It is an arithmetic number, because the mean of its divisors is an integer number (4294836).

Almost surely, 2^22152263 is an apocalyptic number.

22152263 is a deficient number, since it is larger than the sum of its proper divisors (3616753).

22152263 is an equidigital number, since it uses as much as digits as its factorization.

22152263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452101 (or 452094 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 22152263 is about 4706.6190625544. The cubic root of 22152263 is about 280.8488821578.

Adding to 22152263 its reverse (36225122), we get a palindrome (58377385).

The spelling of 22152263 in words is "twenty-two million, one hundred fifty-two thousand, two hundred sixty-three".