1090219 has 6 divisors (see below), whose sum is σ = 1180716. Its totient is φ = 1006200.

The previous prime is 1090217. The next prime is 1090241. The reversal of 1090219 is 9120901.

It is not a de Polignac number, because 1090219 - 2¹ = 1090217 is a prime.

It is a super-2 number, since 2×1090219² = 2377154935922, which contains 22 as substring.

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 1090219.

It is not an unprimeable number, because it can be changed into a prime (1090211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3057 + ... + 3394.

It is an arithmetic number, because the mean of its divisors is an integer number (196786).

2^1090219 is an apocalyptic number.

1090219 is a deficient number, since it is larger than the sum of its proper divisors (90497).

1090219 is an equidigital number, since it uses as much as digits as its factorization.

1090219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6477 (or 6464 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1090219 is about 1044.1355276017. The cubic root of 1090219 is about 102.9211386176.

It can be divided in two parts, 109021 and 9, that multiplied together give a palindrome (981189).

The spelling of 1090219 in words is "one million, ninety thousand, two hundred nineteen".