22661087296 has 63 divisors (see below), whose sum is σ = 46542147327. Its totient is φ = 10946977920.

The previous prime is 22661087263. The next prime is 22661087381. The reversal of 22661087296 is 69278016622.

The square root of 22661087296 is 150536.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37332625 + ... + 37333231.

Almost surely, 2^22661087296 is an apocalyptic number.

22661087296 is the 150536-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22661087296

22661087296 is an abundant number, since it is smaller than the sum of its proper divisors (23881060031).

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

22661087296 is an frugal number, since it uses more digits than its factorization.

22661087296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

Multiplying 22661087296 by its sum of digits (49), we get a square (1110393277504 = 1053752²).

The spelling of 22661087296 in words is "twenty-two billion, six hundred sixty-one million, eighty-seven thousand, two hundred ninety-six".