222152089 has 2 divisors, whose sum is σ = 222152090. Its totient is φ = 222152088.

The previous prime is 222152081. The next prime is 222152129. The reversal of 222152089 is 980251222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121992025 + 100160064 = 11045^2 + 10008^2 .

It is a cyclic number.

It is not a de Polignac number, because 222152089 - 2³ = 222152081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222152089.

It is not a weakly prime, because it can be changed into another prime (222152081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111076044 + 111076045.

It is an arithmetic number, because the mean of its divisors is an integer number (111076045).

Almost surely, 2^222152089 is an apocalyptic number.

It is an amenable number.

222152089 is a deficient number, since it is larger than the sum of its proper divisors (1).

222152089 is an equidigital number, since it uses as much as digits as its factorization.

222152089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 222152089 is about 14904.7673245844. The cubic root of 222152089 is about 605.6431373117.

The spelling of 222152089 in words is "two hundred twenty-two million, one hundred fifty-two thousand, eighty-nine".