22124545 has 16 divisors (see below), whose sum is σ = 27998208. Its totient is φ = 16758720.

The previous prime is 22124533. The next prime is 22124567. The reversal of 22124545 is 54542122.

It is not a de Polignac number, because 22124545 - 2⁵ = 22124513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5767 + ... + 8803.

It is an arithmetic number, because the mean of its divisors is an integer number (1749888).

Almost surely, 2^22124545 is an apocalyptic number.

It is an amenable number.

22124545 is a deficient number, since it is larger than the sum of its proper divisors (5873663).

22124545 is a wasteful number, since it uses less digits than its factorization.

22124545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120.

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

The square root of 22124545 is about 4703.6735643537. The cubic root of 22124545 is about 280.7316959606.

Adding to 22124545 its reverse (54542122), we get a palindrome (76666667).

The spelling of 22124545 in words is "twenty-two million, one hundred twenty-four thousand, five hundred forty-five".