4224722 has 8 divisors (see below), whose sum is σ = 6491772. Its totient is φ = 2060800.

The previous prime is 4224719. The next prime is 4224733. The reversal of 4224722 is 2274224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2588881 + 1635841 = 1609^2 + 1279^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25679 + ... + 25842.

Almost surely, 2^4224722 is an apocalyptic number.

4224722 is a deficient number, since it is larger than the sum of its proper divisors (2267050).

4224722 is a wasteful number, since it uses less digits than its factorization.

4224722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51564.

The product of its digits is 1792, while the sum is 23.

The square root of 4224722 is about 2055.4128539055. The cubic root of 4224722 is about 161.6588104495.

Adding to 4224722 its reverse (2274224), we get a palindrome (6498946).

The spelling of 4224722 in words is "four million, two hundred twenty-four thousand, seven hundred twenty-two".