1222002022 has 4 divisors (see below), whose sum is σ = 1833003036. Its totient is φ = 611001010.

The previous prime is 1222002017. The next prime is 1222002049. The reversal of 1222002022 is 2202002221.

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

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1222001993 and 1222002011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305500504 + ... + 305500507.

It is an arithmetic number, because the mean of its divisors is an integer number (458250759).

Almost surely, 2^1222002022 is an apocalyptic number.

1222002022 is a deficient number, since it is larger than the sum of its proper divisors (611001014).

1222002022 is an equidigital number, since it uses as much as digits as its factorization.

1222002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611001013.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1222002022 is about 34957.1455070348. The cubic root of 1222002022 is about 1069.1138970720.

Adding to 1222002022 its reverse (2202002221), we get a palindrome (3424004243).

The spelling of 1222002022 in words is "one billion, two hundred twenty-two million, two thousand, twenty-two".