20222218850 has 24 divisors (see below), whose sum is σ = 38530729188. Its totient is φ = 7891596800.

The previous prime is 20222218843. The next prime is 20222218901. The reversal of 20222218850 is 5881222202.

It can be written as a sum of positive squares in 6 ways, for example, as 4507129 + 20217711721 = 2123^2 + 142189^2 .

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, 4930199 + ... + 4934298.

Almost surely, 2^20222218850 is an apocalyptic number.

20222218850 is a deficient number, since it is larger than the sum of its proper divisors (18308510338).

20222218850 is a wasteful number, since it uses less digits than its factorization.

20222218850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9864550 (or 9864545 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The spelling of 20222218850 in words is "twenty billion, two hundred twenty-two million, two hundred eighteen thousand, eight hundred fifty".