1320100023222 has 48 divisors (see below), whose sum is σ = 3009166759872. Its totient is φ = 417698087040.

The previous prime is 1320100023217. The next prime is 1320100023247. The reversal of 1320100023222 is 2223200010231.

1320100023222 is a `hidden beast` number, since 1 + 320 + 100 + 0 + 23 + 222 = 666.

It is a super-2 number, since 2×1320100023222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1320100023195 and 1320100023204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24145038 + ... + 24199649.

It is an arithmetic number, because the mean of its divisors is an integer number (62690974164).

Almost surely, 2^{1320100023222} is an apocalyptic number.

1320100023222 is an abundant number, since it is smaller than the sum of its proper divisors (1689066736650).

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

1320100023222 is a wasteful number, since it uses less digits than its factorization.

1320100023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48344773 (or 48344770 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1320100023222 its reverse (2223200010231), we get a palindrome (3543300033453).

The spelling of 1320100023222 in words is "one trillion, three hundred twenty billion, one hundred million, twenty-three thousand, two hundred twenty-two".