2228427 has 6 divisors (see below), whose sum is σ = 3218852. Its totient is φ = 1485612.

The previous prime is 2228423. The next prime is 2228431. The reversal of 2228427 is 7248222.

It is an interprime number because it is at equal distance from previous prime (2228423) and next prime (2228431).

It is not a de Polignac number, because 2228427 - 2² = 2228423 is a prime.

It is a d-powerful number, because it can be written as 2 + 2⁷ + 2¹⁷ + 8 + 4² + 2²¹ + 7² .

It is a Duffinian number.

2228427 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2228427.

It is not an unprimeable number, because it can be changed into a prime (2228423) 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 5 ways as a sum of consecutive naturals, for example, 123793 + ... + 123810.

2^2228427 is an apocalyptic number.

2228427 is a deficient number, since it is larger than the sum of its proper divisors (990425).

2228427 is a wasteful number, since it uses less digits than its factorization.

2228427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247609 (or 247606 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 2228427 is about 1492.7916800411. The cubic root of 2228427 is about 130.6169295930.

It can be divided in two parts, 222 and 8427, that added together give a square (8649 = 93²).

The spelling of 2228427 in words is "two million, two hundred twenty-eight thousand, four hundred twenty-seven".