1323102222 has 64 divisors (see below), whose sum is σ = 3197920320. Its totient is φ = 403056000.

The previous prime is 1323102173. The next prime is 1323102223. The reversal of 1323102222 is 2222013231.

1323102222 is a `hidden beast` number, since 132 + 310 + 2 + 222 = 666.

It is a super-2 number, since 2×1323102222² = 3501198979722674568, which 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 = 1323102195 and 1323102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323102223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61572 + ... + 80232.

It is an arithmetic number, because the mean of its divisors is an integer number (49967505).

Almost surely, 2^1323102222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323102222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1598960160).

1323102222 is an abundant number, since it is smaller than the sum of its proper divisors (1874818098).

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

1323102222 is a wasteful number, since it uses less digits than its factorization.

1323102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18786 (or 18780 counting only the distinct ones).

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

The square root of 1323102222 is about 36374.4721198810. The cubic root of 1323102222 is about 1097.8199860163.

Adding to 1323102222 its reverse (2222013231), we get a palindrome (3545115453).

The spelling of 1323102222 in words is "one billion, three hundred twenty-three million, one hundred two thousand, two hundred twenty-two".