222341261 has 4 divisors (see below), whose sum is σ = 227512032. Its totient is φ = 217170492.

The previous prime is 222341243. The next prime is 222341293. The reversal of 222341261 is 162143222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222341261 - 2²⁶ = 155232397 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 (222341221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2585321 + ... + 2585406.

It is an arithmetic number, because the mean of its divisors is an integer number (56878008).

Almost surely, 2^222341261 is an apocalyptic number.

It is an amenable number.

222341261 is a deficient number, since it is larger than the sum of its proper divisors (5170771).

222341261 is an equidigital number, since it uses as much as digits as its factorization.

222341261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170770.

The product of its digits is 1152, while the sum is 23.

The square root of 222341261 is about 14911.1119974333. Note that the first 3 decimals coincide. The cubic root of 222341261 is about 605.8149988786.

Adding to 222341261 its reverse (162143222), we get a palindrome (384484483).

The spelling of 222341261 in words is "two hundred twenty-two million, three hundred forty-one thousand, two hundred sixty-one".