2222287 has 2 divisors, whose sum is σ = 2222288. Its totient is φ = 2222286.

The previous prime is 2222281. The next prime is 2222293. The reversal of 2222287 is 7822222.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2222281) and next prime (2222293).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111143 + 1111144.

It is an arithmetic number, because the mean of its divisors is an integer number (1111144).

2^2222287 is an apocalyptic number.

2222287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222287 is an equidigital number, since it uses as much as digits as its factorization.

2222287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 25.

The square root of 2222287 is about 1490.7337119687. The cubic root of 2222287 is about 130.4968560088.

The spelling of 2222287 in words is "two million, two hundred twenty-two thousand, two hundred eighty-seven".