22039466736 has 80 divisors (see below), whose sum is σ = 65160115200. Its totient is φ = 6288163584.

The previous prime is 22039466677. The next prime is 22039466747. The reversal of 22039466736 is 63766493022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195970 + ... + 287198.

It is an arithmetic number, because the mean of its divisors is an integer number (814501440).

Almost surely, 2^22039466736 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 22039466736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32580057600).

22039466736 is an abundant number, since it is smaller than the sum of its proper divisors (43120648464).

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

22039466736 is a wasteful number, since it uses less digits than its factorization.

22039466736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91966 (or 91960 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 22039466736 in words is "twenty-two billion, thirty-nine million, four hundred sixty-six thousand, seven hundred thirty-six".