1322123322 has 64 divisors (see below), whose sum is σ = 3067384320. Its totient is φ = 376415424.

The previous prime is 1322123321. The next prime is 1322123323. The reversal of 1322123322 is 2233212231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1322123321) and next prime (1322123323).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1322123321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53353 + ... + 74099.

It is an arithmetic number, because the mean of its divisors is an integer number (47927880).

Almost surely, 2^1322123322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322123322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533692160).

1322123322 is an abundant number, since it is smaller than the sum of its proper divisors (1745260998).

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

1322123322 is a wasteful number, since it uses less digits than its factorization.

1322123322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20827.

The product of its digits is 864, while the sum is 21.

The square root of 1322123322 is about 36361.0137647453. The cubic root of 1322123322 is about 1097.5491777335.

Adding to 1322123322 its reverse (2233212231), we get a palindrome (3555335553).

The spelling of 1322123322 in words is "one billion, three hundred twenty-two million, one hundred twenty-three thousand, three hundred twenty-two".