222212303 has 4 divisors (see below), whose sum is σ = 224369808. Its totient is φ = 220054800.

The previous prime is 222212293. The next prime is 222212323. The reversal of 222212303 is 303212222.

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 222212303 - 2¹⁶ = 222146767 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 (222212323) 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, 1078598 + ... + 1078803.

It is an arithmetic number, because the mean of its divisors is an integer number (56092452).

Almost surely, 2^222212303 is an apocalyptic number.

222212303 is a deficient number, since it is larger than the sum of its proper divisors (2157505).

222212303 is a wasteful number, since it uses less digits than its factorization.

222212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157504.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 222212303 is about 14906.7871454583. The cubic root of 222212303 is about 605.6978519318.

Adding to 222212303 its reverse (303212222), we get a palindrome (525424525).

The spelling of 222212303 in words is "two hundred twenty-two million, two hundred twelve thousand, three hundred three".