22240784636 has 36 divisors (see below), whose sum is σ = 45443061216. Its totient is φ = 9496569600.

The previous prime is 22240784597. The next prime is 22240784641. The reversal of 22240784636 is 63648704222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156245 + ... + 262476.

It is an arithmetic number, because the mean of its divisors is an integer number (1262307256).

Almost surely, 2^22240784636 is an apocalyptic number.

It is an amenable number.

22240784636 is an abundant number, since it is smaller than the sum of its proper divisors (23202276580).

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

22240784636 is a wasteful number, since it uses less digits than its factorization.

22240784636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419010 (or 419001 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 22240784636 in words is "twenty-two billion, two hundred forty million, seven hundred eighty-four thousand, six hundred thirty-six".