22054544 has 20 divisors (see below), whose sum is σ = 42953724. Its totient is φ = 10969728.

The previous prime is 22054537. The next prime is 22054567. The reversal of 22054544 is 44545022.

It can be written as a sum of positive squares in 2 ways, for example, as 15904144 + 6150400 = 3988^2 + 2480^2 .

It is a super-2 number, since 2×22054544² = 972805822095872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347 + ... + 6650.

Almost surely, 2^22054544 is an apocalyptic number.

It is an amenable number.

22054544 is a deficient number, since it is larger than the sum of its proper divisors (20899180).

22054544 is a wasteful number, since it uses less digits than its factorization.

22054544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7202 (or 7196 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 22054544 is about 4696.2265703435. The cubic root of 22054544 is about 280.4353092790.

Adding to 22054544 its reverse (44545022), we get a palindrome (66599566).

The spelling of 22054544 in words is "twenty-two million, fifty-four thousand, five hundred forty-four".