2228604 has 48 divisors (see below), whose sum is σ = 6091008. Its totient is φ = 620928.

The previous prime is 2228591. The next prime is 2228657. The reversal of 2228604 is 4068222.

It is a d-powerful number, because it can be written as 2⁵ + 2⁷ + 2¹⁷ + 8⁷ + 6³ + 0 + 4 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3304 + ... + 3920.

It is an arithmetic number, because the mean of its divisors is an integer number (126896).

2^2228604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2228604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3045504).

2228604 is an abundant number, since it is smaller than the sum of its proper divisors (3862404).

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

2228604 is a wasteful number, since it uses less digits than its factorization.

2228604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2228604 is about 1492.8509637603. The cubic root of 2228604 is about 130.6203877251.

The spelling of 2228604 in words is "two million, two hundred twenty-eight thousand, six hundred four".