4721422 has 8 divisors (see below), whose sum is σ = 7273656. Its totient is φ = 2296872.

The previous prime is 4721419. The next prime is 4721441. The reversal of 4721422 is 2241274.

It is a happy number.

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 = 4721393 and 4721402.

It is a congruent number.

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, 31828 + ... + 31975.

It is an arithmetic number, because the mean of its divisors is an integer number (909207).

Almost surely, 2^4721422 is an apocalyptic number.

4721422 is a deficient number, since it is larger than the sum of its proper divisors (2552234).

4721422 is a wasteful number, since it uses less digits than its factorization.

4721422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63842.

The product of its digits is 896, while the sum is 22.

The square root of 4721422 is about 2172.8833378716. The cubic root of 4721422 is about 167.7609743302.

Adding to 4721422 its reverse (2241274), we get a palindrome (6962696).

The spelling of 4721422 in words is "four million, seven hundred twenty-one thousand, four hundred twenty-two".