2226618 has 12 divisors (see below), whose sum is σ = 4824378. Its totient is φ = 742200.

The previous prime is 2226617. The next prime is 2226619. The reversal of 2226618 is 8166222.

2226618 is a `hidden beast` number, since 22 + 26 + 618 = 666.

It is an interprime number because it is at equal distance from previous prime (2226617) and next prime (2226619).

It can be written as a sum of positive squares in only one way, i.e., 2152089 + 74529 = 1467^2 + 273^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2226591 and 2226600.

It is not an unprimeable number, because it can be changed into a prime (2226613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61833 + ... + 61868.

2^2226618 is an apocalyptic number.

2226618 is an abundant number, since it is smaller than the sum of its proper divisors (2597760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2226618 is a wasteful number, since it uses less digits than its factorization.

2226618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123709 (or 123706 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2226618 is about 1492.1856452868. The cubic root of 2226618 is about 130.5815758073.

The spelling of 2226618 in words is "two million, two hundred twenty-six thousand, six hundred eighteen".