2258217 has 12 divisors (see below), whose sum is σ = 3512964. Its totient is φ = 1389600.

The previous prime is 2258213. The next prime is 2258227. The reversal of 2258217 is 7128522.

2258217 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 2 ways, for example, as 767376 + 1490841 = 876^2 + 1221^2 .

It is not a de Polignac number, because 2258217 - 2² = 2258213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2258213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9534 + ... + 9767.

It is an arithmetic number, because the mean of its divisors is an integer number (292747).

2^2258217 is an apocalyptic number.

It is an amenable number.

2258217 is a deficient number, since it is larger than the sum of its proper divisors (1254747).

2258217 is a wasteful number, since it uses less digits than its factorization.

2258217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19320 (or 19317 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 2258217 is about 1502.7365038489. The cubic root of 2258217 is about 131.1963917124.

The spelling of 2258217 in words is "two million, two hundred fifty-eight thousand, two hundred seventeen".