22124544 has 96 divisors (see below), whose sum is σ = 63750960. Its totient is φ = 6782976.

The previous prime is 22124533. The next prime is 22124567. The reversal of 22124544 is 44542122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79734 + ... + 80010.

Almost surely, 2^22124544 is an apocalyptic number.

22124544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22124544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31875480).

22124544 is an abundant number, since it is smaller than the sum of its proper divisors (41626416).

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

22124544 is a wasteful number, since it uses less digits than its factorization.

22124544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 295 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 22124544 is about 4703.6734580538. The cubic root of 22124544 is about 280.7316917310.

Adding to 22124544 its reverse (44542122), we get a palindrome (66666666).

The spelling of 22124544 in words is "twenty-two million, one hundred twenty-four thousand, five hundred forty-four".