22195754550 has 36 divisors (see below), whose sum is σ = 59632595100. Its totient is φ = 5918867760.

The previous prime is 22195754527. The next prime is 22195754593. The reversal of 22195754550 is 5545759122.

22195754550 is a `hidden beast` number, since 2 + 2 + 1 + 9 + 57 + 545 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 22195754496 and 22195754505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24661500 + ... + 24662399.

It is an arithmetic number, because the mean of its divisors is an integer number (1656460975).

Almost surely, 2^22195754550 is an apocalyptic number.

22195754550 is an abundant number, since it is smaller than the sum of its proper divisors (37436840550).

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

22195754550 is a wasteful number, since it uses less digits than its factorization.

22195754550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49323917 (or 49323909 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

The spelling of 22195754550 in words is "twenty-two billion, one hundred ninety-five million, seven hundred fifty-four thousand, five hundred fifty".