4223140 has 24 divisors (see below), whose sum is σ = 9391032. Its totient is φ = 1589760.

The previous prime is 4223117. The next prime is 4223171. The reversal of 4223140 is 413224.

It can be written as a sum of positive squares in 4 ways, for example, as 2056356 + 2166784 = 1434^2 + 1472^2 .

It is a super-2 number, since 2×4223140² = 35669822919200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5871 + ... + 6550.

It is an arithmetic number, because the mean of its divisors is an integer number (391293).

Almost surely, 2^4223140 is an apocalyptic number.

It is an amenable number.

4223140 is an abundant number, since it is smaller than the sum of its proper divisors (5167892).

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

4223140 is a wasteful number, since it uses less digits than its factorization.

4223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12447 (or 12445 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4223140 is about 2055.0279803448. The cubic root of 4223140 is about 161.6386295423.

Adding to 4223140 its reverse (413224), we get a palindrome (4636364).

The spelling of 4223140 in words is "four million, two hundred twenty-three thousand, one hundred forty".