22650505522 has 4 divisors (see below), whose sum is σ = 33975758286. Its totient is φ = 11325252760.

The previous prime is 22650505519. The next prime is 22650505541. The reversal of 22650505522 is 22550505622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22550505622 = 2 ⋅11275252811.

It can be written as a sum of positive squares in only one way, i.e., 14706170361 + 7944335161 = 121269^2 + 89131^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5662626379 + ... + 5662626382.

Almost surely, 2^22650505522 is an apocalyptic number.

22650505522 is a deficient number, since it is larger than the sum of its proper divisors (11325252764).

22650505522 is a wasteful number, since it uses less digits than its factorization.

22650505522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325252763.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 22650505522 in words is "twenty-two billion, six hundred fifty million, five hundred five thousand, five hundred twenty-two".