22246866432 has 400 divisors, whose sum is σ = 76468186080. Its totient is φ = 6307725312.

The previous prime is 22246866431. The next prime is 22246866463. The reversal of 22246866432 is 23466864222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22246866431) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 57189694 + ... + 57190082.

Almost surely, 2^22246866432 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 22246866432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38234093040).

22246866432 is an abundant number, since it is smaller than the sum of its proper divisors (54221319648).

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

22246866432 is an equidigital number, since it uses as much as digits as its factorization.

22246866432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 598 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 45.

The spelling of 22246866432 in words is "twenty-two billion, two hundred forty-six million, eight hundred sixty-six thousand, four hundred thirty-two".