2229418 has 4 divisors (see below), whose sum is σ = 3344130. Its totient is φ = 1114708.

The previous prime is 2229407. The next prime is 2229419. The reversal of 2229418 is 8149222.

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., 1656369 + 573049 = 1287^2 + 757^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁵ + 2⁷ + 2¹⁷ + 9 + 4⁵ + 1 + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (2229419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557353 + ... + 557356.

2^2229418 is an apocalyptic number.

2229418 is a deficient number, since it is larger than the sum of its proper divisors (1114712).

2229418 is a wasteful number, since it uses less digits than its factorization.

2229418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114711.

The product of its digits is 2304, while the sum is 28.

The square root of 2229418 is about 1493.1235715774. The cubic root of 2229418 is about 130.6362888682.

The spelling of 2229418 in words is "two million, two hundred twenty-nine thousand, four hundred eighteen".