22343556678 has 32 divisors (see below), whose sum is σ = 46641643776. Its totient is φ = 7122258528.

The previous prime is 22343556647. The next prime is 22343556689. The reversal of 22343556678 is 87665534322.

It is a self number, because there is not a number n which added to its sum of digits gives 22343556678.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 606276 + ... + 642072.

It is an arithmetic number, because the mean of its divisors is an integer number (1457551368).

Almost surely, 2^22343556678 is an apocalyptic number.

22343556678 is an abundant number, since it is smaller than the sum of its proper divisors (24298087098).

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

22343556678 is a wasteful number, since it uses less digits than its factorization.

22343556678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40348.

The product of its digits is 7257600, while the sum is 51.

The spelling of 22343556678 in words is "twenty-two billion, three hundred forty-three million, five hundred fifty-six thousand, six hundred seventy-eight".