2609222 has 16 divisors (see below), whose sum is σ = 4879872. Its totient is φ = 1016520.

The previous prime is 2609219. The next prime is 2609231. The reversal of 2609222 is 2229062.

It is a happy number.

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, 8318 + ... + 8625.

It is an arithmetic number, because the mean of its divisors is an integer number (304992).

2^2609222 is an apocalyptic number.

2609222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2609222 is a deficient number, since it is larger than the sum of its proper divisors (2270650).

2609222 is a wasteful number, since it uses less digits than its factorization.

2609222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16963.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2609222 is about 1615.3086392390. The cubic root of 2609222 is about 137.6692703210.

The spelling of 2609222 in words is "two million, six hundred nine thousand, two hundred twenty-two".