4004722 has 4 divisors (see below), whose sum is σ = 6007086. Its totient is φ = 2002360.

The previous prime is 4004717. The next prime is 4004731. The reversal of 4004722 is 2274004.

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

It can be written as a sum of positive squares in only one way, i.e., 3845521 + 159201 = 1961^2 + 399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4004722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001179 + ... + 1001182.

Almost surely, 2^4004722 is an apocalyptic number.

4004722 is a deficient number, since it is larger than the sum of its proper divisors (2002364).

4004722 is a wasteful number, since it uses less digits than its factorization.

4004722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002363.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 4004722 is about 2001.1801518104. The cubic root of 4004722 is about 158.8025448646.

Adding to 4004722 its reverse (2274004), we get a palindrome (6278726).

The spelling of 4004722 in words is "four million, four thousand, seven hundred twenty-two".