22378407468 has 12 divisors (see below), whose sum is σ = 52216284120. Its totient is φ = 7459469152.

The previous prime is 22378407437. The next prime is 22378407529. The reversal of 22378407468 is 86470487322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 22378407468.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932433633 + ... + 932433656.

It is an arithmetic number, because the mean of its divisors is an integer number (4351357010).

Almost surely, 2^22378407468 is an apocalyptic number.

It is an amenable number.

22378407468 is an abundant number, since it is smaller than the sum of its proper divisors (29837876652).

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

22378407468 is a wasteful number, since it uses less digits than its factorization.

22378407468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864867296 (or 1864867294 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 22378407468 in words is "twenty-two billion, three hundred seventy-eight million, four hundred seven thousand, four hundred sixty-eight".