22742046450 has 54 divisors (see below), whose sum is σ = 61108894119. Its totient is φ = 6063692640.

The previous prime is 22742046449. The next prime is 22742046461. The reversal of 22742046450 is 5464024722.

22742046450 is a `hidden beast` number, since 2 + 2 + 7 + 4 + 2 + 0 + 4 + 645 + 0 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 1352106441 + 21389940009 = 36771^2 + 146253^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106635.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3195496 + ... + 3202604.

Almost surely, 2^22742046450 is an apocalyptic number.

22742046450 is an abundant number, since it is smaller than the sum of its proper divisors (38366847669).

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

22742046450 is an frugal number, since it uses more digits than its factorization.

22742046450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14236 (or 7119 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The spelling of 22742046450 in words is "twenty-two billion, seven hundred forty-two million, forty-six thousand, four hundred fifty".