4226918 has 4 divisors (see below), whose sum is σ = 6340380. Its totient is φ = 2113458.

The previous prime is 4226903. The next prime is 4226933. The reversal of 4226918 is 8196224.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4226903) and next prime (4226933).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056728 + ... + 1056731.

It is an arithmetic number, because the mean of its divisors is an integer number (1585095).

Almost surely, 2^4226918 is an apocalyptic number.

4226918 is a deficient number, since it is larger than the sum of its proper divisors (2113462).

4226918 is a wasteful number, since it uses less digits than its factorization.

4226918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113461.

The product of its digits is 6912, while the sum is 32.

The square root of 4226918 is about 2055.9469837523. The cubic root of 4226918 is about 161.6868155471.

The spelling of 4226918 in words is "four million, two hundred twenty-six thousand, nine hundred eighteen".