2228004 has 36 divisors (see below), whose sum is σ = 5678400. Its totient is φ = 736560.

The previous prime is 2227963. The next prime is 2228011. The reversal of 2228004 is 4008222.

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, 7009 + ... + 7319.

2^2228004 is an apocalyptic number.

It is an amenable number.

2228004 is an abundant number, since it is smaller than the sum of its proper divisors (3450396).

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

2228004 is a wasteful number, since it uses less digits than its factorization.

2228004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2228004 is about 1492.6499924631. The cubic root of 2228004 is about 130.6086645018.

The spelling of 2228004 in words is "two million, two hundred twenty-eight thousand, four".