22005062644 has 6 divisors (see below), whose sum is σ = 38508859634. Its totient is φ = 11002531320.

The previous prime is 22005062641. The next prime is 22005062659. The reversal of 22005062644 is 44626050022.

It can be written as a sum of positive squares in only one way, i.e., 20779222500 + 1225840144 = 144150^2 + 35012^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005062641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750632827 + ... + 2750632834.

Almost surely, 2^22005062644 is an apocalyptic number.

It is an amenable number.

22005062644 is a deficient number, since it is larger than the sum of its proper divisors (16503796990).

22005062644 is a wasteful number, since it uses less digits than its factorization.

22005062644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5501265665 (or 5501265663 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 22005062644 in words is "twenty-two billion, five million, sixty-two thousand, six hundred forty-four".