23220052235 has 4 divisors (see below), whose sum is σ = 27864062688. Its totient is φ = 18576041784.

The previous prime is 23220052183. The next prime is 23220052237. The reversal of 23220052235 is 53225002232.

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 23220052235 - 2⁸ = 23220051979 is a prime.

It is a super-2 number, since 2×23220052235² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23220052237) 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, 2322005219 + ... + 2322005228.

It is an arithmetic number, because the mean of its divisors is an integer number (6966015672).

Almost surely, 2^23220052235 is an apocalyptic number.

23220052235 is a deficient number, since it is larger than the sum of its proper divisors (4644010453).

23220052235 is an equidigital number, since it uses as much as digits as its factorization.

23220052235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644010452.

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 23220052235 its reverse (53225002232), we get a palindrome (76445054467).

The spelling of 23220052235 in words is "twenty-three billion, two hundred twenty million, fifty-two thousand, two hundred thirty-five".