8722237 has 2 divisors, whose sum is σ = 8722238. Its totient is φ = 8722236.

The previous prime is 8722223. The next prime is 8722283. The reversal of 8722237 is 7322278.

8722237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8099716 + 622521 = 2846^2 + 789^2 .

It is a cyclic number.

It is not a de Polignac number, because 8722237 - 2¹¹ = 8720189 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 7⁶ + 2¹⁶ + 2²² + 2²² + 3³ + 7⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 8722199 and 8722208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8722297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4361118 + 4361119.

It is an arithmetic number, because the mean of its divisors is an integer number (4361119).

Almost surely, 2^8722237 is an apocalyptic number.

It is an amenable number.

8722237 is a deficient number, since it is larger than the sum of its proper divisors (1).

8722237 is an equidigital number, since it uses as much as digits as its factorization.

8722237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 31.

The square root of 8722237 is about 2953.3433596519. The cubic root of 8722237 is about 205.8460926634.

The spelling of 8722237 in words is "eight million, seven hundred twenty-two thousand, two hundred thirty-seven".