22050554 has 4 divisors (see below), whose sum is σ = 33075834. Its totient is φ = 11025276.

The previous prime is 22050533. The next prime is 22050563. The reversal of 22050554 is 45505022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20025625 + 2024929 = 4475^2 + 1423^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5512637 + ... + 5512640.

Almost surely, 2^22050554 is an apocalyptic number.

22050554 is a deficient number, since it is larger than the sum of its proper divisors (11025280).

22050554 is a wasteful number, since it uses less digits than its factorization.

22050554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025279.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 22050554 is about 4695.8017419819. The cubic root of 22050554 is about 280.4183965985.

Adding to 22050554 its reverse (45505022), we get a palindrome (67555576).

The spelling of 22050554 in words is "twenty-two million, fifty thousand, five hundred fifty-four".