4227918 has 16 divisors (see below), whose sum is σ = 8901120. Its totient is φ = 1335096.

The previous prime is 4227893. The next prime is 4227931. The reversal of 4227918 is 8197224.

It is a happy number.

It is a super-2 number, since 2×4227918² = 35750581229448, which contains 22 as substring.

It is a congruent 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, 18430 + ... + 18657.

It is an arithmetic number, because the mean of its divisors is an integer number (556320).

Almost surely, 2^4227918 is an apocalyptic number.

4227918 is an abundant number, since it is smaller than the sum of its proper divisors (4673202).

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

4227918 is a wasteful number, since it uses less digits than its factorization.

4227918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37111.

The product of its digits is 8064, while the sum is 33.

The square root of 4227918 is about 2056.1901663027. The cubic root of 4227918 is about 161.6995651096.

The spelling of 4227918 in words is "four million, two hundred twenty-seven thousand, nine hundred eighteen".