22123034311220 has 24 divisors (see below), whose sum is σ = 46626091819944. Its totient is φ = 8817267102336.

The previous prime is 22123034311187. The next prime is 22123034311303. The reversal of 22123034311220 is 2211343032122.

It can be written as a sum of positive squares in 4 ways, for example, as 24347857444 + 22098686453776 = 156038^2 + 4700924^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22123034311220.

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, 1996658207 + ... + 1996669286.

It is an arithmetic number, because the mean of its divisors is an integer number (1942753825831).

Almost surely, 2^{22123034311220} is an apocalyptic number.

22123034311220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22123034311220 is an abundant number, since it is smaller than the sum of its proper divisors (24503057508724).

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

22123034311220 is a wasteful number, since it uses less digits than its factorization.

22123034311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993327779 (or 3993327777 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 22123034311220 its reverse (2211343032122), we get a palindrome (24334377343342).

The spelling of 22123034311220 in words is "twenty-two trillion, one hundred twenty-three billion, thirty-four million, three hundred eleven thousand, two hundred twenty".