22223102021 has 4 divisors (see below), whose sum is σ = 23189323872. Its totient is φ = 21256880172.

The previous prime is 22223102017. The next prime is 22223102053. The reversal of 22223102021 is 12020132222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22223102021 - 2² = 22223102017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223102521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483110891 + ... + 483110936.

It is an arithmetic number, because the mean of its divisors is an integer number (5797330968).

Almost surely, 2^22223102021 is an apocalyptic number.

It is an amenable number.

22223102021 is a deficient number, since it is larger than the sum of its proper divisors (966221851).

22223102021 is an equidigital number, since it uses as much as digits as its factorization.

22223102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966221850.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22223102021 its reverse (12020132222), we get a palindrome (34243234243).

The spelling of 22223102021 in words is "twenty-two billion, two hundred twenty-three million, one hundred two thousand, twenty-one".