22478864670 has 48 divisors (see below), whose sum is σ = 58463233920. Its totient is φ = 5992498752.

The previous prime is 22478864659. The next prime is 22478864693. The reversal of 22478864670 is 7646887422.

It is a happy number.

22478864670 is a `hidden beast` number, since 22 + 478 + 86 + 4 + 6 + 70 = 666.

22478864670 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 265132 + ... + 339488.

It is an arithmetic number, because the mean of its divisors is an integer number (1217984040).

Almost surely, 2^22478864670 is an apocalyptic number.

22478864670 is an abundant number, since it is smaller than the sum of its proper divisors (35984369250).

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

22478864670 is a wasteful number, since it uses less digits than its factorization.

22478864670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77729 (or 77726 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 22478864670 in words is "twenty-two billion, four hundred seventy-eight million, eight hundred sixty-four thousand, six hundred seventy".