22054424 has 32 divisors (see below), whose sum is σ = 49317120. Its totient is φ = 9040416.

The previous prime is 22054393. The next prime is 22054427. The reversal of 22054424 is 42445022.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 22054424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22054427) 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, 7274 + ... + 9849.

It is an arithmetic number, because the mean of its divisors is an integer number (1541160).

Almost surely, 2^22054424 is an apocalyptic number.

It is an amenable number.

22054424 is an abundant number, since it is smaller than the sum of its proper divisors (27262696).

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

22054424 is a wasteful number, since it uses less digits than its factorization.

22054424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17159 (or 17155 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 22054424 is about 4696.2137941112. The cubic root of 22054424 is about 280.4348006567.

Adding to 22054424 its reverse (42445022), we get a palindrome (64499446).

The spelling of 22054424 in words is "twenty-two million, fifty-four thousand, four hundred twenty-four".