1022323312 has 40 divisors (see below), whose sum is σ = 2054444400. Its totient is φ = 492237312.

The previous prime is 1022323277. The next prime is 1022323321. The reversal of 1022323312 is 2133232201.

It is a self number, because there is not a number n which added to its sum of digits gives 1022323312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187083 + ... + 192469.

It is an arithmetic number, because the mean of its divisors is an integer number (51361110).

Almost surely, 2^1022323312 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 1022323312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027222200).

1022323312 is an abundant number, since it is smaller than the sum of its proper divisors (1032121088).

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

1022323312 is a wasteful number, since it uses less digits than its factorization.

1022323312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5833 (or 5827 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1022323312 is about 31973.7910170189. The cubic root of 1022323312 is about 1007.3864106065.

Adding to 1022323312 its reverse (2133232201), we get a palindrome (3155555513).

The spelling of 1022323312 in words is "one billion, twenty-two million, three hundred twenty-three thousand, three hundred twelve".