222225011 has 4 divisors (see below), whose sum is σ = 231886992. Its totient is φ = 212563032.

The previous prime is 222225001. The next prime is 222225023. The reversal of 222225011 is 110522222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222225011 - 2¹⁰ = 222223987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222225001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4830956 + ... + 4831001.

It is an arithmetic number, because the mean of its divisors is an integer number (57971748).

Almost surely, 2^222225011 is an apocalyptic number.

222225011 is a deficient number, since it is larger than the sum of its proper divisors (9661981).

222225011 is an equidigital number, since it uses as much as digits as its factorization.

222225011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9661980.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 222225011 is about 14907.2133881554. The cubic root of 222225011 is about 605.7093980395.

Adding to 222225011 its reverse (110522222), we get a palindrome (332747233).

The spelling of 222225011 in words is "two hundred twenty-two million, two hundred twenty-five thousand, eleven".