2220604 has 12 divisors (see below), whose sum is σ = 4055184. Its totient is φ = 1061984.

The previous prime is 2220553. The next prime is 2220643. The reversal of 2220604 is 4060222.

2220604 = T₅₄ + T₅₅ + ... + T₂₃₇.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11977 + ... + 12160.

It is an arithmetic number, because the mean of its divisors is an integer number (337932).

2^2220604 is an apocalyptic number.

It is an amenable number.

2220604 is a deficient number, since it is larger than the sum of its proper divisors (1834580).

2220604 is a wasteful number, since it uses less digits than its factorization.

2220604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24164 (or 24162 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2220604 is about 1490.1691179192. The cubic root of 2220604 is about 130.4639047180.

Adding to 2220604 its reverse (4060222), we get a palindrome (6280826).

The spelling of 2220604 in words is "two million, two hundred twenty thousand, six hundred four".