220002221022002 has 4 divisors (see below), whose sum is σ = 330003331533006. Its totient is φ = 110001110511000.

The previous prime is 220002221021917. The next prime is 220002221022013. The reversal of 220002221022002 is 200220122200022.

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

It can be written as a sum of positive squares in only one way, i.e., 198198840612721 + 21803380409281 = 14078311^2 + 4669409^2 .

It is a super-2 number, since 2×220002221022002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000555255499 + ... + 55000555255502.

Almost surely, 2^{220002221022002} is an apocalyptic number.

220002221022002 is a deficient number, since it is larger than the sum of its proper divisors (110001110511004).

220002221022002 is a wasteful number, since it uses less digits than its factorization.

220002221022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110001110511003.

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

Adding to 220002221022002 its reverse (200220122200022), we get a palindrome (420222343222024).

The spelling of 220002221022002 in words is "two hundred twenty trillion, two billion, two hundred twenty-one million, twenty-two thousand, two".