4240223 has 4 divisors (see below), whose sum is σ = 4566408. Its totient is φ = 3914040.

The previous prime is 4240219. The next prime is 4240267. The reversal of 4240223 is 3220424.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4240223 - 2² = 4240219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240823) 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, 163073 + ... + 163098.

It is an arithmetic number, because the mean of its divisors is an integer number (1141602).

Almost surely, 2^4240223 is an apocalyptic number.

4240223 is a deficient number, since it is larger than the sum of its proper divisors (326185).

4240223 is a wasteful number, since it uses less digits than its factorization.

4240223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326184.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4240223 is about 2059.1801766723. The cubic root of 4240223 is about 161.8562841666.

Adding to 4240223 its reverse (3220424), we get a palindrome (7460647).

The spelling of 4240223 in words is "four million, two hundred forty thousand, two hundred twenty-three".