22148008460 has 24 divisors (see below), whose sum is σ = 46544554896. Its totient is φ = 8852777280.

The previous prime is 22148008457. The next prime is 22148008471. The reversal of 22148008460 is 6480084122.

It is a self number, because there is not a number n which added to its sum of digits gives 22148008460.

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, 373322 + ... + 428561.

It is an arithmetic number, because the mean of its divisors is an integer number (1939356454).

Almost surely, 2^22148008460 is an apocalyptic number.

22148008460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22148008460 is an abundant number, since it is smaller than the sum of its proper divisors (24396546436).

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

22148008460 is a wasteful number, since it uses less digits than its factorization.

22148008460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803273 (or 803271 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The spelling of 22148008460 in words is "twenty-two billion, one hundred forty-eight million, eight thousand, four hundred sixty".