220022000202221 has 16 divisors (see below), whose sum is σ = 261065501150208. Its totient is φ = 181451776060800.

The previous prime is 220022000202217. The next prime is 220022000202223. The reversal of 220022000202221 is 122202000220022.

It is not a de Polignac number, because 220022000202221 - 2² = 220022000202217 is a prime.

It is a super-2 number, since 2×220022000202221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220022000202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022000202223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2930385200 + ... + 2930460281.

It is an arithmetic number, because the mean of its divisors is an integer number (16316593821888).

Almost surely, 2^{220022000202221} is an apocalyptic number.

It is an amenable number.

220022000202221 is a deficient number, since it is larger than the sum of its proper divisors (41043500947987).

220022000202221 is a wasteful number, since it uses less digits than its factorization.

220022000202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860845692.

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

Adding to 220022000202221 its reverse (122202000220022), we get a palindrome (342224000422243).

The spelling of 220022000202221 in words is "two hundred twenty trillion, twenty-two billion, two hundred two thousand, two hundred twenty-one".