22340342134420 has 24 divisors (see below), whose sum is σ = 48182683848264. Its totient is φ = 8694619641216.

The previous prime is 22340342134349. The next prime is 22340342134463. The reversal of 22340342134420 is 2443124304322.

It can be written as a sum of positive squares in 4 ways, for example, as 7407465815556 + 14932876318864 = 2721666^2 + 3864308^2 .

It is a super-2 number, since 2×22340342134420² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15094825027 + ... + 15094826506.

It is an arithmetic number, because the mean of its divisors is an integer number (2007611827011).

Almost surely, 2^{22340342134420} is an apocalyptic number.

22340342134420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22340342134420 is an abundant number, since it is smaller than the sum of its proper divisors (25842341713844).

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

22340342134420 is a wasteful number, since it uses less digits than its factorization.

22340342134420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30189651579 (or 30189651577 counting only the distinct ones).

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

Adding to 22340342134420 its reverse (2443124304322), we get a palindrome (24783466438742).

The spelling of 22340342134420 in words is "twenty-two trillion, three hundred forty billion, three hundred forty-two million, one hundred thirty-four thousand, four hundred twenty".