22450223646 has 24 divisors (see below), whose sum is σ = 48645449424. Its totient is φ = 7482900480.

The previous prime is 22450223639. The next prime is 22450223657. The reversal of 22450223646 is 64632205422.

22450223646 is a `hidden beast` number, since 2 + 2 + 4 + 5 + 0 + 2 + 2 + 3 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 22450223646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309790 + ... + 375326.

It is an arithmetic number, because the mean of its divisors is an integer number (2026893726).

Almost surely, 2^22450223646 is an apocalyptic number.

22450223646 is an abundant number, since it is smaller than the sum of its proper divisors (26195225778).

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

22450223646 is a wasteful number, since it uses less digits than its factorization.

22450223646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84576 (or 84573 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 22450223646 in words is "twenty-two billion, four hundred fifty million, two hundred twenty-three thousand, six hundred forty-six".