22138426964782 has 8 divisors (see below), whose sum is σ = 33352651978200. Its totient is φ = 11020876305384.

The previous prime is 22138426964723. The next prime is 22138426964783. The reversal of 22138426964782 is 28746962483122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22138426964783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24168587932 + ... + 24168588847.

It is an arithmetic number, because the mean of its divisors is an integer number (4169081497275).

Almost surely, 2^{22138426964782} is an apocalyptic number.

22138426964782 is a deficient number, since it is larger than the sum of its proper divisors (11214225013418).

22138426964782 is a wasteful number, since it uses less digits than its factorization.

22138426964782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48337177010.

The product of its digits is 111476736, while the sum is 64.

The spelling of 22138426964782 in words is "twenty-two trillion, one hundred thirty-eight billion, four hundred twenty-six million, nine hundred sixty-four thousand, seven hundred eighty-two".