221222432023 has 4 divisors (see below), whose sum is σ = 221239182960. Its totient is φ = 221205681088.

The previous prime is 221222431999. The next prime is 221222432107. The reversal of 221222432023 is 320234222122.

221222432023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320234222122 = 2 ⋅160117111061.

It is a cyclic number.

It is not a de Polignac number, because 221222432023 - 2²¹ = 221220334871 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 (221222432923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8355643 + ... + 8382076.

It is an arithmetic number, because the mean of its divisors is an integer number (55309795740).

Almost surely, 2^221222432023 is an apocalyptic number.

221222432023 is a deficient number, since it is larger than the sum of its proper divisors (16750937).

221222432023 is a wasteful number, since it uses less digits than its factorization.

221222432023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16750936.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 221222432023 its reverse (320234222122), we get a palindrome (541456654145).

The spelling of 221222432023 in words is "two hundred twenty-one billion, two hundred twenty-two million, four hundred thirty-two thousand, twenty-three".