2250418 has 4 divisors (see below), whose sum is σ = 3375630. Its totient is φ = 1125208.

The previous prime is 2250403. The next prime is 2250419. The reversal of 2250418 is 8140522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2241009 + 9409 = 1497^2 + 97^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2250419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562603 + ... + 562606.

2^2250418 is an apocalyptic number.

2250418 is a deficient number, since it is larger than the sum of its proper divisors (1125212).

2250418 is a wasteful number, since it uses less digits than its factorization.

2250418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125211.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2250418 is about 1500.1393268627. The cubic root of 2250418 is about 131.0451837999.

It can be divided in two parts, 22504 and 18, that added together give a palindrome (22522).

The spelling of 2250418 in words is "two million, two hundred fifty thousand, four hundred eighteen".