22022110021 has 8 divisors (see below), whose sum is σ = 22140397440. Its totient is φ = 21903866112.

The previous prime is 22022110009. The next prime is 22022110039. The reversal of 22022110021 is 12001122022.

It is a happy number.

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 22022110021 - 2¹⁷ = 22021978949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022109983 and 22022110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022110001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1793220 + ... + 1805458.

It is an arithmetic number, because the mean of its divisors is an integer number (2767549680).

Almost surely, 2^22022110021 is an apocalyptic number.

It is an amenable number.

22022110021 is a deficient number, since it is larger than the sum of its proper divisors (118287419).

22022110021 is a wasteful number, since it uses less digits than its factorization.

22022110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21755.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22022110021 its reverse (12001122022), we get a palindrome (34023232043).

The spelling of 22022110021 in words is "twenty-two billion, twenty-two million, one hundred ten thousand, twenty-one".