222201243 has 24 divisors (see below), whose sum is σ = 359604336. Its totient is φ = 131025600.

The previous prime is 222201197. The next prime is 222201247. The reversal of 222201243 is 342102222.

222201243 is a `hidden beast` number, since 222 + 201 + 243 = 666.

It is not a de Polignac number, because 222201243 - 2⁹ = 222200731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222201247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26668 + ... + 33993.

It is an arithmetic number, because the mean of its divisors is an integer number (14983514).

Almost surely, 2^222201243 is an apocalyptic number.

222201243 is a deficient number, since it is larger than the sum of its proper divisors (137403093).

222201243 is a wasteful number, since it uses less digits than its factorization.

222201243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60715 (or 60712 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222201243 is about 14906.4161688851. The cubic root of 222201243 is about 605.6878027892.

Adding to 222201243 its reverse (342102222), we get a palindrome (564303465).

The spelling of 222201243 in words is "two hundred twenty-two million, two hundred one thousand, two hundred forty-three".