22857216650 has 24 divisors (see below), whose sum is σ = 42664677024. Its totient is φ = 9110574000.

The previous prime is 22857216637. The next prime is 22857216653. The reversal of 22857216650 is 5661275822.

It is not an unprimeable number, because it can be changed into a prime (22857216653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793526 + ... + 821825.

It is an arithmetic number, because the mean of its divisors is an integer number (1777694876).

Almost surely, 2^22857216650 is an apocalyptic number.

22857216650 is a deficient number, since it is larger than the sum of its proper divisors (19807460374).

22857216650 is a wasteful number, since it uses less digits than its factorization.

22857216650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615646 (or 1615641 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 22857216650 in words is "twenty-two billion, eight hundred fifty-seven million, two hundred sixteen thousand, six hundred fifty".