22346156312142 has 64 divisors (see below), whose sum is σ = 48737143741440. Its totient is φ = 6789354660864.

The previous prime is 22346156312131. The next prime is 22346156312143. The reversal of 22346156312142 is 24121365164322.

It is a junction number, because it is equal to n+sod(n) for n = 22346156312094 and 22346156312103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22346156312143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42418 + ... + 6685365.

It is an arithmetic number, because the mean of its divisors is an integer number (761517870960).

Almost surely, 2^{22346156312142} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22346156312142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24368571870720).

22346156312142 is an abundant number, since it is smaller than the sum of its proper divisors (26390987429298).

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

22346156312142 is a wasteful number, since it uses less digits than its factorization.

22346156312142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728337.

The product of its digits is 414720, while the sum is 42.

The spelling of 22346156312142 in words is "twenty-two trillion, three hundred forty-six billion, one hundred fifty-six million, three hundred twelve thousand, one hundred forty-two".