22154458116 has 48 divisors (see below), whose sum is σ = 59093435520. Its totient is φ = 6328250880.

The previous prime is 22154458097. The next prime is 22154458121. The reversal of 22154458116 is 61185445122.

It is a happy number.

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, 325150 + ... + 387338.

It is an arithmetic number, because the mean of its divisors is an integer number (1231113240).

Almost surely, 2^22154458116 is an apocalyptic number.

It is an amenable number.

22154458116 is an abundant number, since it is smaller than the sum of its proper divisors (36938977404).

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

22154458116 is a wasteful number, since it uses less digits than its factorization.

22154458116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66444 (or 66442 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The spelling of 22154458116 in words is "twenty-two billion, one hundred fifty-four million, four hundred fifty-eight thousand, one hundred sixteen".