22054412 has 18 divisors (see below), whose sum is σ = 39128292. Its totient is φ = 10876024.

The previous prime is 22054393. The next prime is 22054427. The reversal of 22054412 is 21445022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97043 + ... + 97269.

It is an arithmetic number, because the mean of its divisors is an integer number (2173794).

Almost surely, 2^22054412 is an apocalyptic number.

It is an amenable number.

22054412 is a deficient number, since it is larger than the sum of its proper divisors (17073880).

22054412 is a wasteful number, since it uses less digits than its factorization.

22054412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 22054412 is about 4696.2125164860. The cubic root of 22054412 is about 280.4347497943.

Adding to 22054412 its reverse (21445022), we get a palindrome (43499434).

The spelling of 22054412 in words is "twenty-two million, fifty-four thousand, four hundred twelve".