23223322221 has 16 divisors (see below), whose sum is σ = 34127623488. Its totient is φ = 13929638400.

The previous prime is 23223322219. The next prime is 23223322247. The reversal of 23223322221 is 12222332232.

It is not a de Polignac number, because 23223322221 - 2¹ = 23223322219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23223322191 and 23223322200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223322211) 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 15 ways as a sum of consecutive naturals, for example, 3624310 + ... + 3630711.

It is an arithmetic number, because the mean of its divisors is an integer number (2132976468).

Almost surely, 2^23223322221 is an apocalyptic number.

It is an amenable number.

23223322221 is a deficient number, since it is larger than the sum of its proper divisors (10904301267).

23223322221 is a wasteful number, since it uses less digits than its factorization.

23223322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7255132.

The product of its digits is 3456, while the sum is 24.

Adding to 23223322221 its reverse (12222332232), we get a palindrome (35445654453).

The spelling of 23223322221 in words is "twenty-three billion, two hundred twenty-three million, three hundred twenty-two thousand, two hundred twenty-one".