22269456 has 120 divisors (see below), whose sum is σ = 72075744. Its totient is φ = 6343680.

The previous prime is 22269433. The next prime is 22269461. The reversal of 22269456 is 65496222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22269456.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26515 + ... + 27341.

Almost surely, 2^22269456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22269456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36037872).

22269456 is an abundant number, since it is smaller than the sum of its proper divisors (49806288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22269456 is a wasteful number, since it uses less digits than its factorization.

22269456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 860 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 22269456 is about 4719.0524472610. The cubic root of 22269456 is about 281.3432733598.

The spelling of 22269456 in words is "twenty-two million, two hundred sixty-nine thousand, four hundred fifty-six".