22138426964822 has 8 divisors (see below), whose sum is σ = 37951589082576. Its totient is φ = 9487897270632.

The previous prime is 22138426964821. The next prime is 22138426964851. The reversal of 22138426964822 is 22846962483122.

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 (22138426964821) 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, 790658105873 + ... + 790658105900.

It is an arithmetic number, because the mean of its divisors is an integer number (4743948635322).

Almost surely, 2^{22138426964822} is an apocalyptic number.

22138426964822 is a deficient number, since it is larger than the sum of its proper divisors (15813162117754).

22138426964822 is a wasteful number, since it uses less digits than its factorization.

22138426964822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581316211782.

The product of its digits is 31850496, while the sum is 59.

The spelling of 22138426964822 in words is "twenty-two trillion, one hundred thirty-eight billion, four hundred twenty-six million, nine hundred sixty-four thousand, eight hundred twenty-two".