4240222 has 8 divisors (see below), whose sum is σ = 7268976. Its totient is φ = 1817232.

The previous prime is 4240219. The next prime is 4240267. The reversal of 4240222 is 2220424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4240196 and 4240205.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 151423 + ... + 151450.

It is an arithmetic number, because the mean of its divisors is an integer number (908622).

Almost surely, 2^4240222 is an apocalyptic number.

4240222 is a deficient number, since it is larger than the sum of its proper divisors (3028754).

4240222 is a wasteful number, since it uses less digits than its factorization.

4240222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302882.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4240222 is about 2059.1799338572. The cubic root of 4240222 is about 161.8562714428.

Adding to 4240222 its reverse (2220424), we get a palindrome (6460646).

It can be divided in two parts, 42402 and 22, that added together give a palindrome (42424).

The spelling of 4240222 in words is "four million, two hundred forty thousand, two hundred twenty-two".