22441634644 has 48 divisors (see below), whose sum is σ = 46586816640. Its totient is φ = 9324627840.

The previous prime is 22441634641. The next prime is 22441634671. The reversal of 22441634644 is 44643614422.

It is a junction number, because it is equal to n+sod(n) for n = 22441634597 and 22441634606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22441634641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131539 + ... + 249370.

It is an arithmetic number, because the mean of its divisors is an integer number (970558680).

Almost surely, 2^22441634644 is an apocalyptic number.

It is an amenable number.

22441634644 is an abundant number, since it is smaller than the sum of its proper divisors (24145181996).

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

22441634644 is a wasteful number, since it uses less digits than its factorization.

22441634644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381040 (or 381038 counting only the distinct ones).

The product of its digits is 442368, while the sum is 40.

The spelling of 22441634644 in words is "twenty-two billion, four hundred forty-one million, six hundred thirty-four thousand, six hundred forty-four".