22263969 has 16 divisors (see below), whose sum is σ = 36536192. Its totient is φ = 11743488.

The previous prime is 22263961. The next prime is 22263971. The reversal of 22263969 is 96936222.

It is not a de Polignac number, because 22263969 - 2³ = 22263961 is a prime.

It is a super-2 number, since 2×22263969² = 991368631265922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22263961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40504 + ... + 41049.

It is an arithmetic number, because the mean of its divisors is an integer number (2283512).

Almost surely, 2^22263969 is an apocalyptic number.

It is an amenable number.

22263969 is a deficient number, since it is larger than the sum of its proper divisors (14272223).

22263969 is a wasteful number, since it uses less digits than its factorization.

22263969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81576.

The product of its digits is 69984, while the sum is 39.

The square root of 22263969 is about 4718.4710447347. The cubic root of 22263969 is about 281.3201646177.

It can be divided in two parts, 22263 and 969, that added together give a palindrome (23232).

The spelling of 22263969 in words is "twenty-two million, two hundred sixty-three thousand, nine hundred sixty-nine".