2267618 has 4 divisors (see below), whose sum is σ = 3401430. Its totient is φ = 1133808.

The previous prime is 2267611. The next prime is 2267623. The reversal of 2267618 is 8167622.

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., 1968409 + 299209 = 1403^2 + 547^2 .

It is not an unprimeable number, because it can be changed into a prime (2267611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566903 + ... + 566906.

2^2267618 is an apocalyptic number.

2267618 is a deficient number, since it is larger than the sum of its proper divisors (1133812).

2267618 is a wasteful number, since it uses less digits than its factorization.

2267618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133811.

The product of its digits is 8064, while the sum is 32.

The square root of 2267618 is about 1505.8612153847. The cubic root of 2267618 is about 131.3781973437.

The spelling of 2267618 in words is "two million, two hundred sixty-seven thousand, six hundred eighteen".