22080388 has 12 divisors (see below), whose sum is σ = 42153552. Its totient is φ = 10036520.

The previous prime is 22080367. The next prime is 22080403. The reversal of 22080388 is 88308022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250870 + ... + 250957.

It is an arithmetic number, because the mean of its divisors is an integer number (3512796).

Almost surely, 2^22080388 is an apocalyptic number.

It is an amenable number.

22080388 is a deficient number, since it is larger than the sum of its proper divisors (20073164).

22080388 is a wasteful number, since it uses less digits than its factorization.

22080388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501842 (or 501840 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 22080388 is about 4698.9773355487. The cubic root of 22080388 is about 280.5448066086.

It can be divided in two parts, 220 and 80388, that added together give a palindrome (80608).

The spelling of 22080388 in words is "twenty-two million, eighty thousand, three hundred eighty-eight".