1001003322 has 48 divisors (see below), whose sum is σ = 2222161632. Its totient is φ = 298124640.

The previous prime is 1001003287. The next prime is 1001003327. The reversal of 1001003322 is 2233001001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001003298 and 1001003307.

It is not an unprimeable number, because it can be changed into a prime (1001003327) 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, 227568 + ... + 231924.

It is an arithmetic number, because the mean of its divisors is an integer number (46295034).

Almost surely, 2^1001003322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001003322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111080816).

1001003322 is an abundant number, since it is smaller than the sum of its proper divisors (1221158310).

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

1001003322 is a wasteful number, since it uses less digits than its factorization.

1001003322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491 (or 4432 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1001003322 is about 31638.6365382581. The cubic root of 1001003322 is about 1000.3343288784.

Adding to 1001003322 its reverse (2233001001), we get a palindrome (3234004323).

The spelling of 1001003322 in words is "one billion, one million, three thousand, three hundred twenty-two".