2242287 has 6 divisors (see below), whose sum is σ = 3238872. Its totient is φ = 1494852.

The previous prime is 2242277. The next prime is 2242291. The reversal of 2242287 is 7822422.

It is not a de Polignac number, because 2242287 - 2²⁰ = 1193711 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2242287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124563 + ... + 124580.

It is an arithmetic number, because the mean of its divisors is an integer number (539812).

2^2242287 is an apocalyptic number.

2242287 is a deficient number, since it is larger than the sum of its proper divisors (996585).

2242287 is a wasteful number, since it uses less digits than its factorization.

2242287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249149 (or 249146 counting only the distinct ones).

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

The square root of 2242287 is about 1497.4267928684. The cubic root of 2242287 is about 130.8871665988.

The spelling of 2242287 in words is "two million, two hundred forty-two thousand, two hundred eighty-seven".