2228744 has 16 divisors (see below), whose sum is σ = 4776000. Its totient is φ = 955152.

The previous prime is 2228741. The next prime is 2228747. The reversal of 2228744 is 4478222.

It is an interprime number because it is at equal distance from previous prime (2228741) and next prime (2228747).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2228741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19844 + ... + 19955.

It is an arithmetic number, because the mean of its divisors is an integer number (298500).

2^2228744 is an apocalyptic number.

It is an amenable number.

2228744 is an abundant number, since it is smaller than the sum of its proper divisors (2547256).

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

2228744 is a wasteful number, since it uses less digits than its factorization.

2228744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39812 (or 39808 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 2228744 is about 1492.8978531701. The cubic root of 2228744 is about 130.6231228411.

The spelling of 2228744 in words is "two million, two hundred twenty-eight thousand, seven hundred forty-four".