22268949 has 8 divisors (see below), whose sum is σ = 29870400. Its totient is φ = 14756736.

The previous prime is 22268941. The next prime is 22268951. The reversal of 22268949 is 94986222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22268949 - 2³ = 22268941 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 22268949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22268941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21724 + ... + 22725.

It is an arithmetic number, because the mean of its divisors is an integer number (3733800).

Almost surely, 2^22268949 is an apocalyptic number.

It is an amenable number.

22268949 is a deficient number, since it is larger than the sum of its proper divisors (7601451).

22268949 is a wasteful number, since it uses less digits than its factorization.

22268949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44619.

The product of its digits is 124416, while the sum is 42.

The square root of 22268949 is about 4718.9987285440. The cubic root of 22268949 is about 281.3411382662.

It can be divided in two parts, 2226 and 8949, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 22268949 in words is "twenty-two million, two hundred sixty-eight thousand, nine hundred forty-nine".