22977248450 has 162 divisors, whose sum is σ = 49672487331. Its totient is φ = 7902535680.

The previous prime is 22977248449. The next prime is 22977248491. The reversal of 22977248450 is 5484277922.

It can be written as a sum of positive squares in 41 ways, for example, as 17748367729 + 5228880721 = 133223^2 + 72311^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=107185.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 236878802 + ... + 236878898.

Almost surely, 2^22977248450 is an apocalyptic number.

22977248450 is an abundant number, since it is smaller than the sum of its proper divisors (26695238881).

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

22977248450 is a wasteful number, since it uses less digits than its factorization.

22977248450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

Multiplying 22977248450 by its sum of digits (50), we get a square (1148862422500 = 1071850²).

22977248450 divided by its sum of digits (50) gives a square (459544969 = 21437²).

The spelling of 22977248450 in words is "twenty-two billion, nine hundred seventy-seven million, two hundred forty-eight thousand, four hundred fifty".