52722215 has 16 divisors (see below), whose sum is σ = 77867328. Its totient is φ = 33371136.

The previous prime is 52722193. The next prime is 52722259. The reversal of 52722215 is 51222725.

52722215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52722215 - 2¹⁶ = 52656679 is a prime.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 57482 + ... + 58391.

It is an arithmetic number, because the mean of its divisors is an integer number (4866708).

Almost surely, 2^52722215 is an apocalyptic number.

52722215 is a deficient number, since it is larger than the sum of its proper divisors (25145113).

52722215 is a wasteful number, since it uses less digits than its factorization.

52722215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115898.

The product of its digits is 2800, while the sum is 26.

The square root of 52722215 is about 7261.0064729347. The cubic root of 52722215 is about 374.9711740805.

The spelling of 52722215 in words is "fifty-two million, seven hundred twenty-two thousand, two hundred fifteen".