2090222 has 4 divisors (see below), whose sum is σ = 3135336. Its totient is φ = 1045110.

The previous prime is 2090219. The next prime is 2090227. The reversal of 2090222 is 2220902.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2090222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522554 + ... + 522557.

It is an arithmetic number, because the mean of its divisors is an integer number (783834).

2^2090222 is an apocalyptic number.

2090222 is a deficient number, since it is larger than the sum of its proper divisors (1045114).

2090222 is a wasteful number, since it uses less digits than its factorization.

2090222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045113.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2090222 is about 1445.7600077468. The cubic root of 2090222 is about 127.8588532024.

The spelling of 2090222 in words is "two million, ninety thousand, two hundred twenty-two".