22121024 has 28 divisors (see below), whose sum is σ = 44054268. Its totient is φ = 11020800.

The previous prime is 22121003. The next prime is 22121041. The reversal of 22121024 is 42012122.

It can be written as a sum of positive squares in 2 ways, for example, as 2050624 + 20070400 = 1432^2 + 4480^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26534 + ... + 27354.

Almost surely, 2^22121024 is an apocalyptic number.

It is an amenable number.

22121024 is a deficient number, since it is larger than the sum of its proper divisors (21933244).

22121024 is an equidigital number, since it uses as much as digits as its factorization.

22121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22121024 is about 4703.2992675355. The cubic root of 22121024 is about 280.7168028672.

Adding to 22121024 its reverse (42012122), we get a palindrome (64133146).

The spelling of 22121024 in words is "twenty-two million, one hundred twenty-one thousand, twenty-four".