1222202223 has 32 divisors (see below), whose sum is σ = 1994503680. Its totient is φ = 733518720.

The previous prime is 1222202213. The next prime is 1222202239. The reversal of 1222202223 is 3222022221.

It is not a de Polignac number, because 1222202223 - 2⁶ = 1222202159 is a prime.

It is a super-2 number, since 2×1222202223² = 2987556547812283458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222202196 and 1222202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222202213) 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 31 ways as a sum of consecutive naturals, for example, 10615 + ... + 50567.

It is an arithmetic number, because the mean of its divisors is an integer number (62328240).

Almost surely, 2^1222202223 is an apocalyptic number.

1222202223 is a deficient number, since it is larger than the sum of its proper divisors (772301457).

1222202223 is a wasteful number, since it uses less digits than its factorization.

1222202223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40076 (or 40070 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1222202223 is about 34960.0089101819. The cubic root of 1222202223 is about 1069.1722783130.

Adding to 1222202223 its reverse (3222022221), we get a palindrome (4444224444).

The spelling of 1222202223 in words is "one billion, two hundred twenty-two million, two hundred two thousand, two hundred twenty-three".