22022020020221 has 32 divisors (see below), whose sum is σ = 23855829301248. Its totient is φ = 20208542515200.

The previous prime is 22022020020211. The next prime is 22022020020229. The reversal of 22022020020221 is 12202002022022.

It is not a de Polignac number, because 22022020020221 - 2⁴² = 17623973509117 is a prime.

It is a super-3 number, since 3×22022020020221³ (a number of 41 digits) contains 333 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 22022020020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022020020229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4952104820 + ... + 4952109266.

It is an arithmetic number, because the mean of its divisors is an integer number (745494665664).

Almost surely, 2^{22022020020221} is an apocalyptic number.

It is an amenable number.

22022020020221 is a deficient number, since it is larger than the sum of its proper divisors (1833809281027).

22022020020221 is a wasteful number, since it uses less digits than its factorization.

22022020020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7341.

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

Adding to 22022020020221 its reverse (12202002022022), we get a palindrome (34224022042243).

The spelling of 22022020020221 in words is "twenty-two trillion, twenty-two billion, twenty million, twenty thousand, two hundred twenty-one".