222212203 has 4 divisors (see below), whose sum is σ = 225855088. Its totient is φ = 218569320.

The previous prime is 222212197. The next prime is 222212209. The reversal of 222212203 is 302212222.

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

It is an interprime number because it is at equal distance from previous prime (222212197) and next prime (222212209).

It is a cyclic number.

It is not a de Polignac number, because 222212203 - 2¹⁷ = 222081131 is a prime.

It is a super-2 number, since 2×222212203² = 98756526324226418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222212209) 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, 1821351 + ... + 1821472.

It is an arithmetic number, because the mean of its divisors is an integer number (56463772).

Almost surely, 2^222212203 is an apocalyptic number.

222212203 is a deficient number, since it is larger than the sum of its proper divisors (3642885).

222212203 is an equidigital number, since it uses as much as digits as its factorization.

222212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642884.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222212203 is about 14906.7837912811. The cubic root of 222212203 is about 605.6977610731.

Adding to 222212203 its reverse (302212222), we get a palindrome (524424425).

The spelling of 222212203 in words is "two hundred twenty-two million, two hundred twelve thousand, two hundred three".