22220012222021 has 8 divisors (see below), whose sum is σ = 22564742910624. Its totient is φ = 21875666495760.

The previous prime is 22220012222003. The next prime is 22220012222027. The reversal of 22220012222021 is 12022221002222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22220012222021 - 2¹⁴ = 22220012205637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22220012221984 and 22220012222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220012222027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96124250 + ... + 96355131.

It is an arithmetic number, because the mean of its divisors is an integer number (2820592863828).

Almost surely, 2^{22220012222021} is an apocalyptic number.

It is an amenable number.

22220012222021 is a deficient number, since it is larger than the sum of its proper divisors (344730688603).

22220012222021 is a wasteful number, since it uses less digits than its factorization.

22220012222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192481171.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22220012222021 its reverse (12022221002222), we get a palindrome (34242233224243).

The spelling of 22220012222021 in words is "twenty-two trillion, two hundred twenty billion, twelve million, two hundred twenty-two thousand, twenty-one".