56722237 has 16 divisors (see below), whose sum is σ = 67495680. Its totient is φ = 46987200.

The previous prime is 56722153. The next prime is 56722291. The reversal of 56722237 is 73222765.

56722237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56722237 - 2¹¹ = 56720189 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 (56722297) 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 in 15 ways as a sum of consecutive naturals, for example, 8787 + ... + 13807.

It is an arithmetic number, because the mean of its divisors is an integer number (4218480).

Almost surely, 2^56722237 is an apocalyptic number.

It is an amenable number.

56722237 is a deficient number, since it is larger than the sum of its proper divisors (10773443).

56722237 is a wasteful number, since it uses less digits than its factorization.

56722237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124.

The product of its digits is 35280, while the sum is 34.

The square root of 56722237 is about 7531.4166662056. The cubic root of 56722237 is about 384.2239655757.

The spelling of 56722237 in words is "fifty-six million, seven hundred twenty-two thousand, two hundred thirty-seven".