22231715716 has 72 divisors (see below), whose sum is σ = 46979243136. Its totient is φ = 9172054080.

The previous prime is 22231715713. The next prime is 22231715743. The reversal of 22231715716 is 61751713222.

It is not an unprimeable number, because it can be changed into a prime (22231715713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542151 + ... + 581713.

It is an arithmetic number, because the mean of its divisors is an integer number (652489488).

Almost surely, 2^22231715716 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 22231715716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23489621568).

22231715716 is an abundant number, since it is smaller than the sum of its proper divisors (24747527420).

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

22231715716 is a wasteful number, since it uses less digits than its factorization.

22231715716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39689 (or 39680 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The spelling of 22231715716 in words is "twenty-two billion, two hundred thirty-one million, seven hundred fifteen thousand, seven hundred sixteen".