2229387 has 4 divisors (see below), whose sum is σ = 2972520. Its totient is φ = 1486256.

The previous prime is 2229379. The next prime is 2229389. The reversal of 2229387 is 7839222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2229387 - 2³ = 2229379 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁷ + 2²¹ + 9 + 3⁴ + 8³ + 7² .

It is a D-number.

2229387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2229389) 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 3 ways as a sum of consecutive naturals, for example, 371562 + ... + 371567.

It is an arithmetic number, because the mean of its divisors is an integer number (743130).

2^2229387 is an apocalyptic number.

2229387 is a deficient number, since it is larger than the sum of its proper divisors (743133).

2229387 is an equidigital number, since it uses as much as digits as its factorization.

2229387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743132.

The product of its digits is 12096, while the sum is 33.

The square root of 2229387 is about 1493.1131906188. The cubic root of 2229387 is about 130.6356833673.

The spelling of 2229387 in words is "two million, two hundred twenty-nine thousand, three hundred eighty-seven".