1002322091 has 16 divisors (see below), whose sum is σ = 1074739104. Its totient is φ = 931467264.

The previous prime is 1002322051. The next prime is 1002322093. The reversal of 1002322091 is 1902232001.

It is a de Polignac number, because none of the positive numbers 2^k-1002322091 is a prime.

It is a super-2 number, since 2×1002322091² = 2009299148213224562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002322093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600440 + ... + 602106.

It is an arithmetic number, because the mean of its divisors is an integer number (67171194).

Almost surely, 2^1002322091 is an apocalyptic number.

1002322091 is a deficient number, since it is larger than the sum of its proper divisors (72417013).

1002322091 is a wasteful number, since it uses less digits than its factorization.

1002322091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1002322091 is about 31659.4707946927. The cubic root of 1002322091 is about 1000.7734319821.

Adding to 1002322091 its reverse (1902232001), we get a palindrome (2904554092).

The spelling of 1002322091 in words is "one billion, two million, three hundred twenty-two thousand, ninety-one".