22378607406 has 24 divisors (see below), whose sum is σ = 48671354160. Its totient is φ = 7431170976.

The previous prime is 22378607359. The next prime is 22378607443. The reversal of 22378607406 is 60470687322.

22378607406 is a `hidden beast` number, since 2 + 2 + 37 + 8 + 607 + 4 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2358871 + ... + 2368338.

It is an arithmetic number, because the mean of its divisors is an integer number (2027973090).

Almost surely, 2^22378607406 is an apocalyptic number.

22378607406 is an abundant number, since it is smaller than the sum of its proper divisors (26292746754).

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

22378607406 is a wasteful number, since it uses less digits than its factorization.

22378607406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727480 (or 4727477 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 22378607406 in words is "twenty-two billion, three hundred seventy-eight million, six hundred seven thousand, four hundred six".