22742022786 has 24 divisors (see below), whose sum is σ = 52910012880. Its totient is φ = 6497720712.

The previous prime is 22742022769. The next prime is 22742022791. The reversal of 22742022786 is 68722024722.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 11 ways as a sum of consecutive naturals, for example, 38676616 + ... + 38677203.

It is an arithmetic number, because the mean of its divisors is an integer number (2204583870).

Almost surely, 2^22742022786 is an apocalyptic number.

22742022786 is an abundant number, since it is smaller than the sum of its proper divisors (30167990094).

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

22742022786 is a wasteful number, since it uses less digits than its factorization.

22742022786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77353838 (or 77353831 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 42.

The spelling of 22742022786 in words is "twenty-two billion, seven hundred forty-two million, twenty-two thousand, seven hundred eighty-six".