4224651 has 4 divisors (see below), whose sum is σ = 5632872. Its totient is φ = 2816432.

The previous prime is 4224637. The next prime is 4224667. The reversal of 4224651 is 1564224.

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

It is a cyclic number.

It is not a de Polignac number, because 4224651 - 2⁹ = 4224139 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4224601) 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, 704106 + ... + 704111.

It is an arithmetic number, because the mean of its divisors is an integer number (1408218).

Almost surely, 2^4224651 is an apocalyptic number.

4224651 is a deficient number, since it is larger than the sum of its proper divisors (1408221).

4224651 is a wasteful number, since it uses less digits than its factorization.

4224651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408220.

The product of its digits is 1920, while the sum is 24.

The square root of 4224651 is about 2055.3955823636. The cubic root of 4224651 is about 161.6579048404.

Adding to 4224651 its reverse (1564224), we get a palindrome (5788875).

The spelling of 4224651 in words is "four million, two hundred twenty-four thousand, six hundred fifty-one".