1002229 has 4 divisors (see below), whose sum is σ = 1013580. Its totient is φ = 990880.

The previous prime is 1002227. The next prime is 1002241. The reversal of 1002229 is 9222001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 677329 + 324900 = 823^2 + 570^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002229 - 2¹ = 1002227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5542 + ... + 5719.

It is an arithmetic number, because the mean of its divisors is an integer number (253395).

2^1002229 is an apocalyptic number.

It is an amenable number.

1002229 is a deficient number, since it is larger than the sum of its proper divisors (11351).

1002229 is an equidigital number, since it uses as much as digits as its factorization.

1002229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11350.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1002229 is about 1001.1138796361. The cubic root of 1002229 is about 100.0742448634.

The spelling of 1002229 in words is "one million, two thousand, two hundred twenty-nine".