222543241 has 4 divisors (see below), whose sum is σ = 222573184. Its totient is φ = 222513300.

The previous prime is 222543227. The next prime is 222543283. The reversal of 222543241 is 142345222.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222543241 is a prime.

It is a super-2 number, since 2×222543241² = 99050988229568162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222543341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5596 + ... + 21826.

It is an arithmetic number, because the mean of its divisors is an integer number (55643296).

Almost surely, 2^222543241 is an apocalyptic number.

It is an amenable number.

222543241 is a deficient number, since it is larger than the sum of its proper divisors (29943).

222543241 is a wasteful number, since it uses less digits than its factorization.

222543241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29942.

The product of its digits is 3840, while the sum is 25.

The square root of 222543241 is about 14917.8832613746. The cubic root of 222543241 is about 605.9983888610.

Adding to 222543241 its reverse (142345222), we get a palindrome (364888463).

It can be divided in two parts, 222543 and 241, that added together give a square (222784 = 472²).

The spelling of 222543241 in words is "two hundred twenty-two million, five hundred forty-three thousand, two hundred forty-one".