52005722 has 4 divisors (see below), whose sum is σ = 78008586. Its totient is φ = 26002860.

The previous prime is 52005721. The next prime is 52005739. The reversal of 52005722 is 22750025.

52005722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 51854401 + 151321 = 7201^2 + 389^2 .

It is not an unprimeable number, because it can be changed into a prime (52005721) by changing a digit.

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, 13001429 + ... + 13001432.

Almost surely, 2^52005722 is an apocalyptic number.

52005722 is a deficient number, since it is larger than the sum of its proper divisors (26002864).

52005722 is a wasteful number, since it uses less digits than its factorization.

52005722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26002863.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 52005722 is about 7211.4992893295. The cubic root of 52005722 is about 373.2648058391.

Adding to 52005722 its reverse (22750025), we get a palindrome (74755747).

The spelling of 52005722 in words is "fifty-two million, five thousand, seven hundred twenty-two".