22340674578 has 8 divisors (see below), whose sum is σ = 44681349168. Its totient is φ = 7446891524.

The previous prime is 22340674519. The next prime is 22340674591. The reversal of 22340674578 is 87547604322.

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

22340674578 is an admirable number.

It is a Curzon 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, 1861722876 + ... + 1861722887.

It is an arithmetic number, because the mean of its divisors is an integer number (5585168646).

Almost surely, 2^22340674578 is an apocalyptic number.

22340674578 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.

22340674578 is a wasteful number, since it uses less digits than its factorization.

22340674578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723445768.

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 22340674578 in words is "twenty-two billion, three hundred forty million, six hundred seventy-four thousand, five hundred seventy-eight".