22146508374 has 8 divisors (see below), whose sum is σ = 44293016760. Its totient is φ = 7382169456.

The previous prime is 22146508331. The next prime is 22146508399. The reversal of 22146508374 is 47380564122.

It is a sphenic number, since it is the product of 3 distinct primes.

22146508374 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1845542359 + ... + 1845542370.

It is an arithmetic number, because the mean of its divisors is an integer number (5536627095).

Almost surely, 2^22146508374 is an apocalyptic number.

22146508374 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22146508374 is a wasteful number, since it uses less digits than its factorization.

22146508374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3691084734.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 22146508374 in words is "twenty-two billion, one hundred forty-six million, five hundred eight thousand, three hundred seventy-four".