2229218 has 8 divisors (see below), whose sum is σ = 3357612. Its totient is φ = 1110016.

The previous prime is 2229169. The next prime is 2229239. The reversal of 2229218 is 8129222.

It can be written as a sum of positive squares in 2 ways, for example, as 2229049 + 169 = 1493^2 + 13^2 .

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 2⁸ + 2¹⁷ + 2²⁰ + 9³ + 2²⁰ + 1 + 8 .

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, 1655 + ... + 2682.

2^2229218 is an apocalyptic number.

2229218 is a deficient number, since it is larger than the sum of its proper divisors (1128394).

2229218 is a wasteful number, since it uses less digits than its factorization.

2229218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4596.

The product of its digits is 1152, while the sum is 26.

The square root of 2229218 is about 1493.0565963821. The cubic root of 2229218 is about 130.6323823121.

The spelling of 2229218 in words is "two million, two hundred twenty-nine thousand, two hundred eighteen".