2247218 has 8 divisors (see below), whose sum is σ = 3393900. Its totient is φ = 1115920.

The previous prime is 2247209. The next prime is 2247227. The reversal of 2247218 is 8127422.

It is an interprime number because it is at equal distance from previous prime (2247209) and next prime (2247227).

It can be written as a sum of positive squares in 2 ways, for example, as 1841449 + 405769 = 1357^2 + 637^2 .

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

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁷ + 4⁷ + 7² + 2²¹ + 1 + 8³ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3473 + ... + 4068.

2^2247218 is an apocalyptic number.

2247218 is a deficient number, since it is larger than the sum of its proper divisors (1146682).

2247218 is a wasteful number, since it uses less digits than its factorization.

2247218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692.

The product of its digits is 1792, while the sum is 26.

The square root of 2247218 is about 1499.0723798403. The cubic root of 2247218 is about 130.9830407508.

It can be divided in two parts, 22472 and 18, that multiplied together give a square (404496 = 636²).

The spelling of 2247218 in words is "two million, two hundred forty-seven thousand, two hundred eighteen".