22491105860 has 24 divisors (see below), whose sum is σ = 47235604416. Its totient is φ = 8995626720.

The previous prime is 22491105829. The next prime is 22491105907. The reversal of 22491105860 is 6850119422.

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, 206975 + ... + 296345.

It is an arithmetic number, because the mean of its divisors is an integer number (1968150184).

Almost surely, 2^22491105860 is an apocalyptic number.

22491105860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22491105860 is an abundant number, since it is smaller than the sum of its proper divisors (24744498556).

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

22491105860 is a wasteful number, since it uses less digits than its factorization.

22491105860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101963 (or 101961 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 22491105860 in words is "twenty-two billion, four hundred ninety-one million, one hundred five thousand, eight hundred sixty".