1002211 has 8 divisors (see below), whose sum is σ = 1185120. Its totient is φ = 829248.

The previous prime is 1002191. The next prime is 1002227. The reversal of 1002211 is 1122001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1002211 - 2⁷ = 1002083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002194 and 1002203.

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 7 ways as a sum of consecutive naturals, for example, 2266 + ... + 2671.

It is an arithmetic number, because the mean of its divisors is an integer number (148140).

2^1002211 is an apocalyptic number.

1002211 is a deficient number, since it is larger than the sum of its proper divisors (182909).

1002211 is an equidigital number, since it uses as much as digits as its factorization.

1002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4973.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1002211 is about 1001.1048896095. The cubic root of 1002211 is about 100.0736457497.

Adding to 1002211 its reverse (1122001), we get a palindrome (2124212).

The spelling of 1002211 in words is "one million, two thousand, two hundred eleven".