22491252050 has 48 divisors (see below), whose sum is σ = 42677994624. Its totient is φ = 8816040000.

The previous prime is 22491252037. The next prime is 22491252053. The reversal of 22491252050 is 5025219422.

It is a junction number, because it is equal to n+sod(n) for n = 22491251998 and 22491252016.

It is not an unprimeable number, because it can be changed into a prime (22491252053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 812945 + ... + 840155.

It is an arithmetic number, because the mean of its divisors is an integer number (889124888).

Almost surely, 2^22491252050 is an apocalyptic number.

22491252050 is a deficient number, since it is larger than the sum of its proper divisors (20186742574).

22491252050 is a wasteful number, since it uses less digits than its factorization.

22491252050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27555 (or 27550 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 22491252050 in words is "twenty-two billion, four hundred ninety-one million, two hundred fifty-two thousand, fifty".