2242257 has 8 divisors (see below), whose sum is σ = 3027840. Its totient is φ = 1475760.

The previous prime is 2242231. The next prime is 2242277. The reversal of 2242257 is 7522422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2242257 - 2⁷ = 2242129 is a prime.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4494 + ... + 4967.

It is an arithmetic number, because the mean of its divisors is an integer number (378480).

2^2242257 is an apocalyptic number.

It is an amenable number.

2242257 is a deficient number, since it is larger than the sum of its proper divisors (785583).

2242257 is an equidigital number, since it uses as much as digits as its factorization.

2242257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9543.

The product of its digits is 2240, while the sum is 24.

The square root of 2242257 is about 1497.4167756507. The cubic root of 2242257 is about 130.8865828744.

Adding to 2242257 its reverse (7522422), we get a palindrome (9764679).

The spelling of 2242257 in words is "two million, two hundred forty-two thousand, two hundred fifty-seven".