2229247 has 2 divisors, whose sum is σ = 2229248. Its totient is φ = 2229246.

The previous prime is 2229239. The next prime is 2229263. The reversal of 2229247 is 7429222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2229247 - 2³ = 2229239 is a prime.

It is an Ulam number.

It is equal to p₁₆₄₆₆₅ and since 2229247 and 164665 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2229277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114623 + 1114624.

It is an arithmetic number, because the mean of its divisors is an integer number (1114624).

2^2229247 is an apocalyptic number.

2229247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2229247 is an equidigital number, since it uses as much as digits as its factorization.

2229247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 2229247 is about 1493.0663079716. The cubic root of 2229247 is about 130.6329487772.

The spelling of 2229247 in words is "two million, two hundred twenty-nine thousand, two hundred forty-seven".