22405898596 has 9 divisors (see below), whose sum is σ = 39210846451.
Its totient is φ = 11202799612.
The previous prime is 22405898549. The next prime is 22405898621. The reversal of 22405898596 is 69589850422.
The square root of 22405898596 is 149686.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 22405898596.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 261951 + ... + 336793.
Almost surely, 222405898596 is an apocalyptic number.
22405898596 is the 149686-th square number.
It is an amenable number.
22405898596 is a deficient number, since it is larger than the sum of its proper divisors (16804947855).
22405898596 is an frugal number, since it uses more digits than its factorization.
22405898596 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149690 (or 74845 counting only the distinct ones).
The product of its (nonzero) digits is 12441600, while the sum is 58.
The spelling of 22405898596 in words is "twenty-two billion, four hundred five million, eight hundred ninety-eight thousand, five hundred ninety-six".