1322223984 has 120 divisors (see below), whose sum is σ = 3961651200. Its totient is φ = 410417280.

The previous prime is 1322223979. The next prime is 1322223989. The reversal of 1322223984 is 4893222231.

It is an interprime number because it is at equal distance from previous prime (1322223979) and next prime (1322223989).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (1322223989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157329 + ... + 165519.

It is an arithmetic number, because the mean of its divisors is an integer number (33013760).

Almost surely, 2^1322223984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322223984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1980825600).

1322223984 is an abundant number, since it is smaller than the sum of its proper divisors (2639427216).

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

1322223984 is a wasteful number, since it uses less digits than its factorization.

1322223984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8283 (or 8274 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 1322223984 is about 36362.3979407299. The cubic root of 1322223984 is about 1097.5770315879.

The spelling of 1322223984 in words is "one billion, three hundred twenty-two million, two hundred twenty-three thousand, nine hundred eighty-four".