23220223331 has 4 divisors (see below), whose sum is σ = 23437234872. Its totient is φ = 23003211792.

The previous prime is 23220223319. The next prime is 23220223343. The reversal of 23220223331 is 13332202232.

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

It is an interprime number because it is at equal distance from previous prime (23220223319) and next prime (23220223343).

It is a cyclic number.

It is not a de Polignac number, because 23220223331 - 2¹⁸ = 23219961187 is a prime.

It is a super-2 number, since 2×23220223331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23220223297 and 23220223306.

It is not an unprimeable number, because it can be changed into a prime (23220223231) 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, 108505610 + ... + 108505823.

It is an arithmetic number, because the mean of its divisors is an integer number (5859308718).

Almost surely, 2^23220223331 is an apocalyptic number.

23220223331 is a deficient number, since it is larger than the sum of its proper divisors (217011541).

23220223331 is a wasteful number, since it uses less digits than its factorization.

23220223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217011540.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23220223331 its reverse (13332202232), we get a palindrome (36552425563).

The spelling of 23220223331 in words is "twenty-three billion, two hundred twenty million, two hundred twenty-three thousand, three hundred thirty-one".