22704764240 has 80 divisors (see below), whose sum is σ = 53117760960. Its totient is φ = 9025443840.

The previous prime is 22704764237. The next prime is 22704764263. The reversal of 22704764240 is 4246740722.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 22704764194 and 22704764203.

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, 12704627 + ... + 12706413.

It is an arithmetic number, because the mean of its divisors is an integer number (663972012).

Almost surely, 2^22704764240 is an apocalyptic number.

22704764240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22704764240 is an abundant number, since it is smaller than the sum of its proper divisors (30412996720).

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

22704764240 is a wasteful number, since it uses less digits than its factorization.

22704764240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 38.

The spelling of 22704764240 in words is "twenty-two billion, seven hundred four million, seven hundred sixty-four thousand, two hundred forty".