22431582240 has 96 divisors (see below), whose sum is σ = 71109783360. Its totient is φ = 5943634944.

The previous prime is 22431582233. The next prime is 22431582259. The reversal of 22431582240 is 4228513422.

It is a tau number, because it is divible by the number of its divisors (96).

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, 73470 + ... + 224189.

It is an arithmetic number, because the mean of its divisors is an integer number (740726910).

Almost surely, 2^22431582240 is an apocalyptic number.

22431582240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22431582240 is an abundant number, since it is smaller than the sum of its proper divisors (48678201120).

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

22431582240 is a wasteful number, since it uses less digits than its factorization.

22431582240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297834 (or 297826 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 22431582240 in words is "twenty-two billion, four hundred thirty-one million, five hundred eighty-two thousand, two hundred forty".