2220346 has 8 divisors (see below), whose sum is σ = 3344544. Its totient is φ = 1105500.

The previous prime is 2220331. The next prime is 2220349. The reversal of 2220346 is 6430222.

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

It is not an unprimeable number, because it can be changed into a prime (2220349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710 + ... + 2713.

It is an arithmetic number, because the mean of its divisors is an integer number (418068).

2^2220346 is an apocalyptic number.

2220346 is a deficient number, since it is larger than the sum of its proper divisors (1124198).

2220346 is a wasteful number, since it uses less digits than its factorization.

2220346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2220346 is about 1490.0825480489. The cubic root of 2220346 is about 130.4588518899.

Adding to 2220346 its reverse (6430222), we get a palindrome (8650568).

The spelling of 2220346 in words is "two million, two hundred twenty thousand, three hundred forty-six".