22306640216 has 32 divisors (see below), whose sum is σ = 49091838240. Its totient is φ = 9301609728.

The previous prime is 22306640207. The next prime is 22306640233. The reversal of 22306640216 is 61204660322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5380805 + ... + 5384948.

It is an arithmetic number, because the mean of its divisors is an integer number (1534119945).

Almost surely, 2^22306640216 is an apocalyptic number.

It is an amenable number.

22306640216 is an abundant number, since it is smaller than the sum of its proper divisors (26785198024).

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

22306640216 is a wasteful number, since it uses less digits than its factorization.

22306640216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10765803 (or 10765799 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 22306640216 in words is "twenty-two billion, three hundred six million, six hundred forty thousand, two hundred sixteen".