221222033023 has 4 divisors (see below), whose sum is σ = 221260965688. Its totient is φ = 221183100360.

The previous prime is 221222032991. The next prime is 221222033029. The reversal of 221222033023 is 320330222122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221222033023 - 2⁵ = 221222032991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221222032985 and 221222033003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221222033029) 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, 19457808 + ... + 19469173.

It is an arithmetic number, because the mean of its divisors is an integer number (55315241422).

Almost surely, 2^221222033023 is an apocalyptic number.

221222033023 is a deficient number, since it is larger than the sum of its proper divisors (38932665).

221222033023 is an equidigital number, since it uses as much as digits as its factorization.

221222033023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38932664.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 221222033023 its reverse (320330222122), we get a palindrome (541552255145).

The spelling of 221222033023 in words is "two hundred twenty-one billion, two hundred twenty-two million, thirty-three thousand, twenty-three".