22934394450 has 270 divisors, whose sum is σ = 68946616245. Its totient is φ = 5465618400.

The previous prime is 22934394449. The next prime is 22934394479. The reversal of 22934394450 is 5449343922.

22934394450 is a `hidden beast` number, since 22 + 93 + 4 + 3 + 94 + 450 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22475706561 + 458687889 = 149919^2 + 21417^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=107085.

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 = 22934394396 and 22934394405.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 388718521 + ... + 388718579.

Almost surely, 2^22934394450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22934394450

22934394450 is an abundant number, since it is smaller than the sum of its proper divisors (46012221795).

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

22934394450 is an equidigital number, since it uses as much as digits as its factorization.

22934394450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 22934394450 in words is "twenty-two billion, nine hundred thirty-four million, three hundred ninety-four thousand, four hundred fifty".