22555114650 has 144 divisors (see below), whose sum is σ = 65655779904. Its totient is φ = 5529162240.

The previous prime is 22555114649. The next prime is 22555114669. The reversal of 22555114650 is 5641155522.

22555114650 is a `hidden beast` number, since 2 + 2 + 55 + 511 + 46 + 50 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 294667 + ... + 363233.

It is an arithmetic number, because the mean of its divisors is an integer number (455942916).

Almost surely, 2^22555114650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22555114650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32827889952).

22555114650 is an abundant number, since it is smaller than the sum of its proper divisors (43100665254).

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

22555114650 is a wasteful number, since it uses less digits than its factorization.

22555114650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68645 (or 68637 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 22555114650 in words is "twenty-two billion, five hundred fifty-five million, one hundred fourteen thousand, six hundred fifty".