1609227 has 10 divisors (see below), whose sum is σ = 2404028. Its totient is φ = 1072764.

The previous prime is 1609219. The next prime is 1609247. The reversal of 1609227 is 7229061.

It is not a de Polignac number, because 1609227 - 2³ = 1609219 is a prime.

It is a super-2 number, since 2×1609227² = 5179223075058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1609227.

It is not an unprimeable number, because it can be changed into a prime (1609247) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9853 + ... + 10014.

2^1609227 is an apocalyptic number.

1609227 is a deficient number, since it is larger than the sum of its proper divisors (794801).

1609227 is an equidigital number, since it uses as much as digits as its factorization.

1609227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19879 (or 19870 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1609227 is about 1268.5531128021. The cubic root of 1609227 is about 117.1851113113.

The spelling of 1609227 in words is "one million, six hundred nine thousand, two hundred twenty-seven".