4426218 has 16 divisors (see below), whose sum is σ = 9836160. Its totient is φ = 1475388.

The previous prime is 4426193. The next prime is 4426223. The reversal of 4426218 is 8126244.

4426218 is a `hidden beast` number, since 442 + 6 + 218 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4426191 and 4426200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40930 + ... + 41037.

It is an arithmetic number, because the mean of its divisors is an integer number (614760).

Almost surely, 2^4426218 is an apocalyptic number.

4426218 is an abundant number, since it is smaller than the sum of its proper divisors (5409942).

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

4426218 is a wasteful number, since it uses less digits than its factorization.

4426218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81978 (or 81972 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 4426218 is about 2103.8578849342. The cubic root of 4426218 is about 164.1890789686.

It can be divided in two parts, 44 and 26218, that added together give a palindrome (26262).

The spelling of 4426218 in words is "four million, four hundred twenty-six thousand, two hundred eighteen".