2222604 has 36 divisors (see below), whose sum is σ = 5680584. Its totient is φ = 732672.

The previous prime is 2222599. The next prime is 2222611. The reversal of 2222604 is 4062222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3564 + ... + 4140.

It is an arithmetic number, because the mean of its divisors is an integer number (157794).

2^2222604 is an apocalyptic number.

It is an amenable number.

2222604 is an abundant number, since it is smaller than the sum of its proper divisors (3457980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222604 is a wasteful number, since it uses less digits than its factorization.

2222604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2222604 is about 1490.8400316600. The cubic root of 2222604 is about 130.5030606584.

Adding to 2222604 its reverse (4062222), we get a palindrome (6284826).

The spelling of 2222604 in words is "two million, two hundred twenty-two thousand, six hundred four".