22727346432 has 288 divisors, whose sum is σ = 73521208320. Its totient is φ = 6088089600.

The previous prime is 22727346409. The next prime is 22727346491. The reversal of 22727346432 is 23464372722.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10315443 + ... + 10317645.

Almost surely, 2^22727346432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22727346432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36760604160).

22727346432 is an abundant number, since it is smaller than the sum of its proper divisors (50793861888).

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

22727346432 is a wasteful number, since it uses less digits than its factorization.

22727346432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349 (or 2335 counting only the distinct ones).

The product of its digits is 677376, while the sum is 42.

The spelling of 22727346432 in words is "twenty-two billion, seven hundred twenty-seven million, three hundred forty-six thousand, four hundred thirty-two".