1090222 has 16 divisors (see below), whose sum is σ = 1913472. Its totient is φ = 456120.

The previous prime is 1090217. The next prime is 1090241. The reversal of 1090222 is 2220901.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1090196 and 1090205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (119592).

2^1090222 is an apocalyptic number.

1090222 is a deficient number, since it is larger than the sum of its proper divisors (823250).

1090222 is a wasteful number, since it uses less digits than its factorization.

1090222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863.

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

The square root of 1090222 is about 1044.1369641958. The cubic root of 1090222 is about 102.9212330216.

The spelling of 1090222 in words is "one million, ninety thousand, two hundred twenty-two".