22074814678 has 12 divisors (see below), whose sum is σ = 38518299252. Its totient is φ = 9460634820.

The previous prime is 22074814649. The next prime is 22074814679. The reversal of 22074814678 is 87641847022.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22074814679) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 112626508 + ... + 112626703.

It is an arithmetic number, because the mean of its divisors is an integer number (3209858271).

Almost surely, 2^22074814678 is an apocalyptic number.

22074814678 is a deficient number, since it is larger than the sum of its proper divisors (16443484574).

22074814678 is a wasteful number, since it uses less digits than its factorization.

22074814678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225253227 (or 225253220 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 22074814678 in words is "twenty-two billion, seventy-four million, eight hundred fourteen thousand, six hundred seventy-eight".