4722005 has 16 divisors (see below), whose sum is σ = 6089904. Its totient is φ = 3502080.

The previous prime is 4722001. The next prime is 4722031. The reversal of 4722005 is 5002274.

It can be written as a sum of positive squares in 8 ways, for example, as 303601 + 4418404 = 551^2 + 2102^2 .

It is not a de Polignac number, because 4722005 - 2² = 4722001 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 (4722001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5825 + ... + 6585.

It is an arithmetic number, because the mean of its divisors is an integer number (380619).

Almost surely, 2^4722005 is an apocalyptic number.

It is an amenable number.

4722005 is a deficient number, since it is larger than the sum of its proper divisors (1367899).

4722005 is a wasteful number, since it uses less digits than its factorization.

4722005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 4722005 is about 2173.0174872743. The cubic root of 4722005 is about 167.7678790736.

Adding to 4722005 its reverse (5002274), we get a palindrome (9724279).

The spelling of 4722005 in words is "four million, seven hundred twenty-two thousand, five".