22024404391 has 16 divisors (see below), whose sum is σ = 24531955200. Its totient is φ = 19768646040.

The previous prime is 22024404373. The next prime is 22024404419. The reversal of 22024404391 is 19340442022.

It is not a de Polignac number, because 22024404391 - 2²¹ = 22022307239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22024404361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420 + ... + 209878.

It is an arithmetic number, because the mean of its divisors is an integer number (1533247200).

Almost surely, 2^22024404391 is an apocalyptic number.

22024404391 is a deficient number, since it is larger than the sum of its proper divisors (2507550809).

22024404391 is an equidigital number, since it uses as much as digits as its factorization.

22024404391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209571 (or 209549 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 22024404391 in words is "twenty-two billion, twenty-four million, four hundred four thousand, three hundred ninety-one".