22118024 has 16 divisors (see below), whose sum is σ = 42483420. Its totient is φ = 10789120.

The previous prime is 22118023. The next prime is 22118029. The reversal of 22118024 is 42081122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21325924 + 792100 = 4618^2 + 890^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22117987 and 22118005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22118021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33389 + ... + 34044.

Almost surely, 2^22118024 is an apocalyptic number.

It is an amenable number.

22118024 is a deficient number, since it is larger than the sum of its proper divisors (20365396).

22118024 is a wasteful number, since it uses less digits than its factorization.

22118024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67480 (or 67476 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 22118024 is about 4702.9803316620. The cubic root of 22118024 is about 280.7041122479.

Adding to 22118024 its reverse (42081122), we get a palindrome (64199146).

The spelling of 22118024 in words is "twenty-two million, one hundred eighteen thousand, twenty-four".