222546239 has 8 divisors (see below), whose sum is σ = 229062720. Its totient is φ = 216122400.

The previous prime is 222546217. The next prime is 222546253. The reversal of 222546239 is 932645222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222546239 - 2¹⁶ = 222480703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222546199 and 222546208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222546299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18272 + ... + 27909.

It is an arithmetic number, because the mean of its divisors is an integer number (28632840).

Almost surely, 2^222546239 is an apocalyptic number.

222546239 is a deficient number, since it is larger than the sum of its proper divisors (6516481).

222546239 is an equidigital number, since it uses as much as digits as its factorization.

222546239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46321.

The product of its digits is 51840, while the sum is 35.

The square root of 222546239 is about 14917.9837444609. The cubic root of 222546239 is about 606.0011100925.

The spelling of 222546239 in words is "two hundred twenty-two million, five hundred forty-six thousand, two hundred thirty-nine".