220221022220002 has 4 divisors (see below), whose sum is σ = 330331533330006. Its totient is φ = 110110511110000.

The previous prime is 220221022219969. The next prime is 220221022220053. The reversal of 220221022220002 is 200022220122022.

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., 175001705050041 + 45219317169961 = 13228821^2 + 6724531^2 .

It is a super-2 number, since 2×220221022220002² (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, 55055255554999 + ... + 55055255555002.

Almost surely, 2^{220221022220002} is an apocalyptic number.

220221022220002 is a deficient number, since it is larger than the sum of its proper divisors (110110511110004).

220221022220002 is a wasteful number, since it uses less digits than its factorization.

220221022220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110110511110003.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 220221022220002 its reverse (200022220122022), we get a palindrome (420243242342024).

The spelling of 220221022220002 in words is "two hundred twenty trillion, two hundred twenty-one billion, twenty-two million, two hundred twenty thousand, two".