2228442 has 16 divisors (see below), whose sum is σ = 4491072. Its totient is φ = 737120.

The previous prime is 2228437. The next prime is 2228449. The reversal of 2228442 is 2448222.

It is a d-powerful number, because it can be written as 2 + 2⁷ + 2¹⁷ + 8 + 4² + 4³ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2228449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534 + ... + 2177.

It is an arithmetic number, because the mean of its divisors is an integer number (280692).

2^2228442 is an apocalyptic number.

2228442 is an abundant number, since it is smaller than the sum of its proper divisors (2262630).

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

2228442 is a wasteful number, since it uses less digits than its factorization.

2228442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853.

The product of its digits is 2048, while the sum is 24.

The square root of 2228442 is about 1492.7967041764. The cubic root of 2228442 is about 130.6172226622.

The spelling of 2228442 in words is "two million, two hundred twenty-eight thousand, four hundred forty-two".