922442138855 has 16 divisors (see below), whose sum is σ = 1110167001504. Its totient is φ = 735796469760.

The previous prime is 922442138851. The next prime is 922442138867. The reversal of 922442138855 is 558831244229.

It is a happy number.

It is not a de Polignac number, because 922442138855 - 2² = 922442138851 is a prime.

It is a super-2 number, since 2×922442138855² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 922442138797 and 922442138806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922442138851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30814295 + ... + 30844215.

It is an arithmetic number, because the mean of its divisors is an integer number (69385437594).

Almost surely, 2^922442138855 is an apocalyptic number.

922442138855 is a deficient number, since it is larger than the sum of its proper divisors (187724862649).

922442138855 is a wasteful number, since it uses less digits than its factorization.

922442138855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47746.

The product of its digits is 5529600, while the sum is 53.

The spelling of 922442138855 in words is "nine hundred twenty-two billion, four hundred forty-two million, one hundred thirty-eight thousand, eight hundred fifty-five".