4223536 has 30 divisors (see below), whose sum is σ = 8571500. Its totient is φ = 2015904.

The previous prime is 4223521. The next prime is 4223537. The reversal of 4223536 is 6353224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4223536.

It is not an unprimeable number, because it can be changed into a prime (4223537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8215 + ... + 8713.

Almost surely, 2^4223536 is an apocalyptic number.

4223536 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4223536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4285750).

4223536 is an abundant number, since it is smaller than the sum of its proper divisors (4347964).

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

4223536 is a wasteful number, since it uses less digits than its factorization.

4223536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 524 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 4223536 is about 2055.1243271394. The cubic root of 4223536 is about 161.6436816202.

The spelling of 4223536 in words is "four million, two hundred twenty-three thousand, five hundred thirty-six".