22262464 has 84 divisors (see below), whose sum is σ = 53279040. Its totient is φ = 9192960.

The previous prime is 22262453. The next prime is 22262477. The reversal of 22262464 is 46426222.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 11 ways as a sum of consecutive naturals, for example, 97102 + ... + 97330.

Almost surely, 2^22262464 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 22262464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26639520).

22262464 is an abundant number, since it is smaller than the sum of its proper divisors (31016576).

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

22262464 is a wasteful number, since it uses less digits than its factorization.

22262464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 269 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 22262464 is about 4718.3115624130. The cubic root of 22262464 is about 281.3138255805.

Adding to 22262464 its reverse (46426222), we get a palindrome (68688686).

The spelling of 22262464 in words is "twenty-two million, two hundred sixty-two thousand, four hundred sixty-four".