1322022312 has 96 divisors (see below), whose sum is σ = 3895917480. Its totient is φ = 402554880.

The previous prime is 1322022293. The next prime is 1322022319. The reversal of 1322022312 is 2132202231.

1322022312 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1133399556 + 188622756 = 33666^2 + 13734^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1322022319) 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, 83512 + ... + 98072.

Almost surely, 2^1322022312 is an apocalyptic number.

1322022312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322022312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1947958740).

1322022312 is an abundant number, since it is smaller than the sum of its proper divisors (2573895168).

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

1322022312 is a wasteful number, since it uses less digits than its factorization.

1322022312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14683 (or 14676 counting only the distinct ones).

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

The square root of 1322022312 is about 36359.6247505389. The cubic root of 1322022312 is about 1097.5212261640.

Adding to 1322022312 its reverse (2132202231), we get a palindrome (3454224543).

It can be divided in two parts, 132202231 and 2, that multiplied together give a palindrome (264404462).

The spelling of 1322022312 in words is "one billion, three hundred twenty-two million, twenty-two thousand, three hundred twelve".