22312131424 has 48 divisors (see below), whose sum is σ = 48107028816. Its totient is φ = 10102374400.

The previous prime is 22312131419. The next prime is 22312131427. The reversal of 22312131424 is 42413121322.

It is a super-3 number, since 3×22312131424³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312131427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32857 + ... + 213784.

It is an arithmetic number, because the mean of its divisors is an integer number (1002229767).

Almost surely, 2^22312131424 is an apocalyptic number.

It is an amenable number.

22312131424 is an abundant number, since it is smaller than the sum of its proper divisors (25794897392).

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

22312131424 is a wasteful number, since it uses less digits than its factorization.

22312131424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246919 (or 246911 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

Adding to 22312131424 its reverse (42413121322), we get a palindrome (64725252746).

The spelling of 22312131424 in words is "twenty-two billion, three hundred twelve million, one hundred thirty-one thousand, four hundred twenty-four".