22132312343220 has 96 divisors (see below), whose sum is σ = 65237057625600. Its totient is φ = 5590894230144.

The previous prime is 22132312343209. The next prime is 22132312343231. The reversal of 22132312343220 is 2234321323122.

It is an interprime number because it is at equal distance from previous prime (22132312343209) and next prime (22132312343231).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14335327 + ... + 15803993.

It is an arithmetic number, because the mean of its divisors is an integer number (679552683600).

Almost surely, 2^{22132312343220} is an apocalyptic number.

22132312343220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22132312343220 is an abundant number, since it is smaller than the sum of its proper divisors (43104745282380).

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

22132312343220 is a wasteful number, since it uses less digits than its factorization.

22132312343220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481917 (or 1481915 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 22132312343220 its reverse (2234321323122), we get a palindrome (24366633666342).

The spelling of 22132312343220 in words is "twenty-two trillion, one hundred thirty-two billion, three hundred twelve million, three hundred forty-three thousand, two hundred twenty".