1002232291 has 8 divisors (see below), whose sum is σ = 1047797280. Its totient is φ = 958645336.

The previous prime is 1002232289. The next prime is 1002232307. The reversal of 1002232291 is 1922322001.

It is not a de Polignac number, because 1002232291 - 2¹ = 1002232289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002232211) 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, 29020 + ... + 53353.

It is an arithmetic number, because the mean of its divisors is an integer number (130974660).

Almost surely, 2^1002232291 is an apocalyptic number.

1002232291 is a deficient number, since it is larger than the sum of its proper divisors (45564989).

1002232291 is an frugal number, since it uses more digits than its factorization.

1002232291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82442 (or 82396 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1002232291 is about 31658.0525459163. The cubic root of 1002232291 is about 1000.7435440053.

Adding to 1002232291 its reverse (1922322001), we get a palindrome (2924554292).

The spelling of 1002232291 in words is "one billion, two million, two hundred thirty-two thousand, two hundred ninety-one".