4228836 has 12 divisors (see below), whose sum is σ = 9867312. Its totient is φ = 1409608.

The previous prime is 4228813. The next prime is 4228837. The reversal of 4228836 is 6388224.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4228797 and 4228806.

It is not an unprimeable number, because it can be changed into a prime (4228837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176190 + ... + 176213.

It is an arithmetic number, because the mean of its divisors is an integer number (822276).

Almost surely, 2^4228836 is an apocalyptic number.

It is an amenable number.

4228836 is an abundant number, since it is smaller than the sum of its proper divisors (5638476).

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

4228836 is a wasteful number, since it uses less digits than its factorization.

4228836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352410 (or 352408 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 4228836 is about 2056.4133825668. The cubic root of 4228836 is about 161.7112674383.

It can be divided in two parts, 42288 and 36, that added together give a palindrome (42324).

The spelling of 4228836 in words is "four million, two hundred twenty-eight thousand, eight hundred thirty-six".