22342312344220 has 144 divisors (see below), whose sum is σ = 52505923988448. Its totient is φ = 7915248640000.

The previous prime is 22342312344173. The next prime is 22342312344221. The reversal of 22342312344220 is 2244321324322.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22342312344221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10736333580 + ... + 10736335660.

It is an arithmetic number, because the mean of its divisors is an integer number (364624472142).

Almost surely, 2^{22342312344220} is an apocalyptic number.

22342312344220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22342312344220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26252961994224).

22342312344220 is an abundant number, since it is smaller than the sum of its proper divisors (30163611644228).

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

22342312344220 is a wasteful number, since it uses less digits than its factorization.

22342312344220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 3231 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 22342312344220 its reverse (2244321324322), we get a palindrome (24586633668542).

The spelling of 22342312344220 in words is "twenty-two trillion, three hundred forty-two billion, three hundred twelve million, three hundred forty-four thousand, two hundred twenty".