22131310214420 has 48 divisors (see below), whose sum is σ = 51311673056448. Its totient is φ = 7950788328960.

The previous prime is 22131310214417. The next prime is 22131310214441. The reversal of 22131310214420 is 2441201313122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22131310214420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605986949 + ... + 606023468.

It is an arithmetic number, because the mean of its divisors is an integer number (1068993188676).

Almost surely, 2^{22131310214420} is an apocalyptic number.

22131310214420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131310214420 is an abundant number, since it is smaller than the sum of its proper divisors (29180362842028).

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

22131310214420 is a wasteful number, since it uses less digits than its factorization.

22131310214420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212010520 (or 1212010518 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 22131310214420 its reverse (2441201313122), we get a palindrome (24572511527542).

The spelling of 22131310214420 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred ten million, two hundred fourteen thousand, four hundred twenty".