22466804478 has 32 divisors (see below), whose sum is σ = 49645322496. Its totient is φ = 6741955968.

The previous prime is 22466804473. The next prime is 22466804483. The reversal of 22466804478 is 87440866422.

It is an interprime number because it is at equal distance from previous prime (22466804473) and next prime (22466804483).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 22466804478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22466804471) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4785976 + ... + 4790667.

It is an arithmetic number, because the mean of its divisors is an integer number (1551416328).

Almost surely, 2^22466804478 is an apocalyptic number.

22466804478 is an abundant number, since it is smaller than the sum of its proper divisors (27178518018).

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

22466804478 is a wasteful number, since it uses less digits than its factorization.

22466804478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576688.

The product of its (nonzero) digits is 4128768, while the sum is 51.

The spelling of 22466804478 in words is "twenty-two billion, four hundred sixty-six million, eight hundred four thousand, four hundred seventy-eight".