22534857450 has 576 divisors, whose sum is σ = 79235107200. Its totient is φ = 4673894400.

The previous prime is 22534857431. The next prime is 22534857463. The reversal of 22534857450 is 5475843522.

22534857450 is a `hidden beast` number, since 2 + 2 + 53 + 485 + 74 + 50 = 666.

22534857450 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 = 22534857396 and 22534857405.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 32611605 + ... + 32612295.

It is an arithmetic number, because the mean of its divisors is an integer number (137560950).

Almost surely, 2^22534857450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22534857450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39617553600).

22534857450 is an abundant number, since it is smaller than the sum of its proper divisors (56700249750).

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

22534857450 is a wasteful number, since it uses less digits than its factorization.

22534857450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 45.

The spelling of 22534857450 in words is "twenty-two billion, five hundred thirty-four million, eight hundred fifty-seven thousand, four hundred fifty".