2229618 has 16 divisors (see below), whose sum is σ = 4721760. Its totient is φ = 699456.

The previous prime is 2229599. The next prime is 2229653. The reversal of 2229618 is 8169222.

It is a d-powerful number, because it can be written as 2³ + 2¹⁷ + 2²¹ + 9² + 6⁴ + 1 + 8 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10828 + ... + 11031.

It is an arithmetic number, because the mean of its divisors is an integer number (295110).

2^2229618 is an apocalyptic number.

2229618 is an abundant number, since it is smaller than the sum of its proper divisors (2492142).

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

2229618 is a wasteful number, since it uses less digits than its factorization.

2229618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21881.

The product of its digits is 3456, while the sum is 30.

The square root of 2229618 is about 1493.1905437686. The cubic root of 2229618 is about 130.6401951906.

The spelling of 2229618 in words is "two million, two hundred twenty-nine thousand, six hundred eighteen".