1322231166 has 96 divisors (see below), whose sum is σ = 3153047040. Its totient is φ = 398950272.

The previous prime is 1322231161. The next prime is 1322231167. The reversal of 1322231166 is 6611322231.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322231161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 690226 + ... + 692138.

It is an arithmetic number, because the mean of its divisors is an integer number (32844240).

Almost surely, 2^1322231166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322231166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576523520).

1322231166 is an abundant number, since it is smaller than the sum of its proper divisors (1830815874).

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

1322231166 is a wasteful number, since it uses less digits than its factorization.

1322231166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2027 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1322231166 is about 36362.4966964591. The cubic root of 1322231166 is about 1097.5790188417.

Adding to 1322231166 its reverse (6611322231), we get a palindrome (7933553397).

The spelling of 1322231166 in words is "one billion, three hundred twenty-two million, two hundred thirty-one thousand, one hundred sixty-six".