22080424 has 8 divisors (see below), whose sum is σ = 41400810. Its totient is φ = 11040208.

The previous prime is 22080403. The next prime is 22080431. The reversal of 22080424 is 42408022.

It can be written as a sum of positive squares in only one way, i.e., 15920100 + 6160324 = 3990^2 + 2482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22080395 and 22080404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1380019 + ... + 1380034.

Almost surely, 2^22080424 is an apocalyptic number.

It is an amenable number.

22080424 is a deficient number, since it is larger than the sum of its proper divisors (19320386).

22080424 is a wasteful number, since it uses less digits than its factorization.

22080424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760059 (or 2760055 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 22080424 is about 4698.9811661678. The cubic root of 22080424 is about 280.5449590758.

Adding to 22080424 its reverse (42408022), we get a palindrome (64488446).

The spelling of 22080424 in words is "twenty-two million, eighty thousand, four hundred twenty-four".