22124775 has 12 divisors (see below), whose sum is σ = 36579752. Its totient is φ = 11799840.

The previous prime is 22124771. The next prime is 22124783. The reversal of 22124775 is 57742122.

It is not a de Polignac number, because 22124775 - 2² = 22124771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22124771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147424 + ... + 147573.

Almost surely, 2^22124775 is an apocalyptic number.

22124775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22124775 is a deficient number, since it is larger than the sum of its proper divisors (14454977).

22124775 is a wasteful number, since it uses less digits than its factorization.

22124775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295010 (or 295005 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 22124775 is about 4703.6980132657. The cubic root of 22124775 is about 280.7326687575.

Adding to 22124775 its reverse (57742122), we get a palindrome (79866897).

The spelling of 22124775 in words is "twenty-two million, one hundred twenty-four thousand, seven hundred seventy-five".