22251709704 has 256 divisors, whose sum is σ = 69208473600. Its totient is φ = 5820588288.

The previous prime is 22251709663. The next prime is 22251709709. The reversal of 22251709704 is 40790715222.

It is not an unprimeable number, because it can be changed into a prime (22251709709) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12451099 + ... + 12452885.

It is an arithmetic number, because the mean of its divisors is an integer number (270345600).

Almost surely, 2^22251709704 is an apocalyptic number.

22251709704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22251709704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34604236800).

22251709704 is an abundant number, since it is smaller than the sum of its proper divisors (46956763896).

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

22251709704 is a wasteful number, since it uses less digits than its factorization.

22251709704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952 (or 1948 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 22251709704 in words is "twenty-two billion, two hundred fifty-one million, seven hundred nine thousand, seven hundred four".