22151775460 has 48 divisors (see below), whose sum is σ = 47310846912. Its totient is φ = 8710012800.

The previous prime is 22151775419. The next prime is 22151775491. The reversal of 22151775460 is 6457715122.

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, 2351119 + ... + 2360521.

It is an arithmetic number, because the mean of its divisors is an integer number (985642644).

Almost surely, 2^22151775460 is an apocalyptic number.

22151775460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22151775460 is an abundant number, since it is smaller than the sum of its proper divisors (25159071452).

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

22151775460 is a wasteful number, since it uses less digits than its factorization.

22151775460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11404 (or 11402 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 22151775460 in words is "twenty-two billion, one hundred fifty-one million, seven hundred seventy-five thousand, four hundred sixty".