4226643 has 6 divisors (see below), whose sum is σ = 6105164.
Its totient is φ = 2817756.
The previous prime is 4226623. The next prime is 4226647. The reversal of 4226643 is 3466224.
It is not a de Polignac number, because 4226643 - 25 = 4226611 is a prime.
It is a super-2 number, since 2×42266432 = 35729022098898, which contains 22 as substring.
It is a d-powerful number, because it can be written as 45 + 29 + 211 + 64 + 65 + 411 + 39 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4226647) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 234805 + ... + 234822.
Almost surely, 24226643 is an apocalyptic number.
4226643 is a deficient number, since it is larger than the sum of its proper divisors (1878521).
4226643 is a wasteful number, since it uses less digits than its factorization.
4226643 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 469633 (or 469630 counting only the distinct ones).
The product of its digits is 6912, while the sum is 27.
The square root of 4226643 is about 2055.8801035080.
The cubic root of 4226643 is about 161.6833090648.
The spelling of 4226643 in words is "four million, two hundred twenty-six thousand, six hundred forty-three".