22140232244 has 12 divisors (see below), whose sum is σ = 41725822404. Its totient is φ = 10218568704.

The previous prime is 22140232229. The next prime is 22140232253. The reversal of 22140232244 is 44223204122.

It can be written as a sum of positive squares in 2 ways, for example, as 9537475600 + 12602756644 = 97660^2 + 112262^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 212886797 + ... + 212886900.

It is an arithmetic number, because the mean of its divisors is an integer number (3477151867).

Almost surely, 2^22140232244 is an apocalyptic number.

It is an amenable number.

22140232244 is a deficient number, since it is larger than the sum of its proper divisors (19585590160).

22140232244 is a wasteful number, since it uses less digits than its factorization.

22140232244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425773714 (or 425773712 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22140232244 its reverse (44223204122), we get a palindrome (66363436366).

The spelling of 22140232244 in words is "twenty-two billion, one hundred forty million, two hundred thirty-two thousand, two hundred forty-four".