1222222202 has 8 divisors (see below), whose sum is σ = 1834268436. Its totient is φ = 610799392.

The previous prime is 1222222189. The next prime is 1222222223. The reversal of 1222222202 is 2022222221.

It can be written as a sum of positive squares in 2 ways, for example, as 969761881 + 252460321 = 31141^2 + 15889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1222222202² = 2987654222123457608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150923 + ... + 158814.

Almost surely, 2^1222222202 is an apocalyptic number.

1222222202 is a deficient number, since it is larger than the sum of its proper divisors (612046234).

1222222202 is a wasteful number, since it uses less digits than its factorization.

1222222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311712.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1222222202 is about 34960.2946497881. The cubic root of 1222222202 is about 1069.1781041019.

Adding to 1222222202 its reverse (2022222221), we get a palindrome (3244444423).

The spelling of 1222222202 in words is "one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred two".