22269951 has 32 divisors (see below), whose sum is σ = 36288000. Its totient is φ = 13386240.

The previous prime is 22269943. The next prime is 22269953. The reversal of 22269951 is 15996222.

It is a happy number.

It is not a de Polignac number, because 22269951 - 2³ = 22269943 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22269953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49375 + ... + 49823.

It is an arithmetic number, because the mean of its divisors is an integer number (1134000).

Almost surely, 2^22269951 is an apocalyptic number.

22269951 is a deficient number, since it is larger than the sum of its proper divisors (14018049).

22269951 is a wasteful number, since it uses less digits than its factorization.

22269951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 630 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 22269951 is about 4719.1048939391. The cubic root of 22269951 is about 281.3453578875.

It can be divided in two parts, 22269 and 951, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 22269951 in words is "twenty-two million, two hundred sixty-nine thousand, nine hundred fifty-one".