22311022223120 has 20 divisors (see below), whose sum is σ = 51873126668940. Its totient is φ = 8924408889216.

The previous prime is 22311022223117. The next prime is 22311022223131. The reversal of 22311022223120 is 2132222011322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16013090676496 + 6297931546624 = 4001636^2 + 2509568^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×22311022223120³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139443888815 + ... + 139443888974.

It is an arithmetic number, because the mean of its divisors is an integer number (2593656333447).

Almost surely, 2^{22311022223120} is an apocalyptic number.

22311022223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22311022223120 is an abundant number, since it is smaller than the sum of its proper divisors (29562104445820).

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

22311022223120 is a wasteful number, since it uses less digits than its factorization.

22311022223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278887777802 (or 278887777796 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22311022223120 its reverse (2132222011322), we get a palindrome (24443244234442).

The spelling of 22311022223120 in words is "twenty-two trillion, three hundred eleven billion, twenty-two million, two hundred twenty-three thousand, one hundred twenty".