1002231 has 12 divisors (see below), whose sum is σ = 1524120. Its totient is φ = 632880.

The previous prime is 1002227. The next prime is 1002241. The reversal of 1002231 is 1322001.

It is a happy number.

It is not a de Polignac number, because 1002231 - 2² = 1002227 is a prime.

It is a super-2 number, since 2×1002231² = 2008933954722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2760 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (127010).

2^1002231 is an apocalyptic number.

1002231 is a deficient number, since it is larger than the sum of its proper divisors (521889).

1002231 is a wasteful number, since it uses less digits than its factorization.

1002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5886 (or 5883 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1002231 is about 1001.1148785229. The cubic root of 1002231 is about 100.0743114311.

Adding to 1002231 its reverse (1322001), we get a palindrome (2324232).

The spelling of 1002231 in words is "one million, two thousand, two hundred thirty-one".