1322112032 has 48 divisors (see below), whose sum is σ = 2760573312. Its totient is φ = 621143040.

The previous prime is 1322112031. The next prime is 1322112101. The reversal of 1322112032 is 2302112231.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1322112032.

It is not an unprimeable number, because it can be changed into a prime (1322112031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402557 + ... + 405827.

It is an arithmetic number, because the mean of its divisors is an integer number (57511944).

Almost surely, 2^1322112032 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 1322112032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380286656).

1322112032 is an abundant number, since it is smaller than the sum of its proper divisors (1438461280).

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

1322112032 is a wasteful number, since it uses less digits than its factorization.

1322112032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041 (or 4033 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1322112032 is about 36360.8585157171. The cubic root of 1322112032 is about 1097.5460536262.

Adding to 1322112032 its reverse (2302112231), we get a palindrome (3624224263).

The spelling of 1322112032 in words is "one billion, three hundred twenty-two million, one hundred twelve thousand, thirty-two".