2604222 has 24 divisors (see below), whose sum is σ = 5686200. Its totient is φ = 861360.

The previous prime is 2604211. The next prime is 2604227. The reversal of 2604222 is 2224062.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2604195 and 2604204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2197 + ... + 3167.

It is an arithmetic number, because the mean of its divisors is an integer number (236925).

2^2604222 is an apocalyptic number.

2604222 is an abundant number, since it is smaller than the sum of its proper divisors (3081978).

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

2604222 is a wasteful number, since it uses less digits than its factorization.

2604222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 1125 counting only the distinct ones).

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

The square root of 2604222 is about 1613.7602052350. The cubic root of 2604222 is about 137.5812764658.

Adding to 2604222 its reverse (2224062), we get a palindrome (4828284).

The spelling of 2604222 in words is "two million, six hundred four thousand, two hundred twenty-two".