23200222221 has 48 divisors (see below), whose sum is σ = 38021717760. Its totient is φ = 13507378560.

The previous prime is 23200222219. The next prime is 23200222229. The reversal of 23200222221 is 12222200232.

23200222221 is a `hidden beast` number, since 23 + 200 + 222 + 221 = 666.

It is not a de Polignac number, because 23200222221 - 2¹ = 23200222219 is a prime.

It is a super-2 number, since 2×23200222221² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23200222194 and 23200222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23200222229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249291 + ... + 329463.

It is an arithmetic number, because the mean of its divisors is an integer number (792119120).

Almost surely, 2^23200222221 is an apocalyptic number.

It is an amenable number.

23200222221 is a deficient number, since it is larger than the sum of its proper divisors (14821495539).

23200222221 is a wasteful number, since it uses less digits than its factorization.

23200222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80306 (or 80303 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 23200222221 its reverse (12222200232), we get a palindrome (35422422453).

The spelling of 23200222221 in words is "twenty-three billion, two hundred million, two hundred twenty-two thousand, two hundred twenty-one".