22712717420 has 24 divisors (see below), whose sum is σ = 50207060400. Its totient is φ = 8606924352.

The previous prime is 22712717413. The next prime is 22712717431. The reversal of 22712717420 is 2471721722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29884775 + ... + 29885534.

It is an arithmetic number, because the mean of its divisors is an integer number (2091960850).

Almost surely, 2^22712717420 is an apocalyptic number.

22712717420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22712717420 is an abundant number, since it is smaller than the sum of its proper divisors (27494342980).

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

22712717420 is a wasteful number, since it uses less digits than its factorization.

22712717420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59770337 (or 59770335 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 35.

The spelling of 22712717420 in words is "twenty-two billion, seven hundred twelve million, seven hundred seventeen thousand, four hundred twenty".