2229257 has 4 divisors (see below), whose sum is σ = 2276736. Its totient is φ = 2181780.

The previous prime is 2229247. The next prime is 2229263. The reversal of 2229257 is 7529222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2229257 is a prime.

It is a d-powerful number, because it can be written as 2⁶ + 2⁸ + 2¹⁷ + 9² + 2²¹ + 5⁴ + 7 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2229247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23669 + ... + 23762.

It is an arithmetic number, because the mean of its divisors is an integer number (569184).

2^2229257 is an apocalyptic number.

It is an amenable number.

2229257 is a deficient number, since it is larger than the sum of its proper divisors (47479).

2229257 is an equidigital number, since it uses as much as digits as its factorization.

2229257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47478.

The product of its digits is 5040, while the sum is 29.

The square root of 2229257 is about 1493.0696567810. The cubic root of 2229257 is about 130.6331441089.

The spelling of 2229257 in words is "two million, two hundred twenty-nine thousand, two hundred fifty-seven".