2222209 has 8 divisors (see below), whose sum is σ = 2436480. Its totient is φ = 2010000.

The previous prime is 2222203. The next prime is 2222219. The reversal of 2222209 is 9022222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2222209 - 2⁵ = 2222177 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2584 + ... + 3334.

It is an arithmetic number, because the mean of its divisors is an integer number (304560).

2^2222209 is an apocalyptic number.

It is an amenable number.

2222209 is a deficient number, since it is larger than the sum of its proper divisors (214271).

2222209 is a wasteful number, since it uses less digits than its factorization.

2222209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2222209 is about 1490.7075501251. The cubic root of 2222209 is about 130.4953292222.

The spelling of 2222209 in words is "two million, two hundred twenty-two thousand, two hundred nine".