22040768 has 28 divisors (see below), whose sum is σ = 44759880. Its totient is φ = 10762752.

The previous prime is 22040749. The next prime is 22040771. The reversal of 22040768 is 86704022.

It is a self number, because there is not a number n which added to its sum of digits gives 22040768.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253 + ... + 6756.

Almost surely, 2^22040768 is an apocalyptic number.

It is an amenable number.

22040768 is an abundant number, since it is smaller than the sum of its proper divisors (22719112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22040768 is an equidigital number, since it uses as much as digits as its factorization.

22040768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8064 (or 8054 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 22040768 is about 4694.7596317596. The cubic root of 22040768 is about 280.3769073841.

The spelling of 22040768 in words is "twenty-two million, forty thousand, seven hundred sixty-eight".