22124554 has 4 divisors (see below), whose sum is σ = 33186834. Its totient is φ = 11062276.

The previous prime is 22124533. The next prime is 22124567. The reversal of 22124554 is 45542122.

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., 11068929 + 11055625 = 3327^2 + 3325^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5531137 + ... + 5531140.

Almost surely, 2^22124554 is an apocalyptic number.

22124554 is a deficient number, since it is larger than the sum of its proper divisors (11062280).

22124554 is a wasteful number, since it uses less digits than its factorization.

22124554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11062279.

The product of its digits is 3200, while the sum is 25.

The square root of 22124554 is about 4703.6745210527. The cubic root of 22124554 is about 280.7317340267.

Adding to 22124554 its reverse (45542122), we get a palindrome (67666676).

The spelling of 22124554 in words is "twenty-two million, one hundred twenty-four thousand, five hundred fifty-four".