22156422068 has 24 divisors (see below), whose sum is σ = 42391219584. Its totient is φ = 10049054400.

The previous prime is 22156422059. The next prime is 22156422073. The reversal of 22156422068 is 86022465122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530828 + ... + 571043.

It is an arithmetic number, because the mean of its divisors is an integer number (1766300816).

Almost surely, 2^22156422068 is an apocalyptic number.

It is an amenable number.

22156422068 is a deficient number, since it is larger than the sum of its proper divisors (20234797516).

22156422068 is a wasteful number, since it uses less digits than its factorization.

22156422068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102343 (or 1102341 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 22156422068 in words is "twenty-two billion, one hundred fifty-six million, four hundred twenty-two thousand, sixty-eight".