23201321222 has 16 divisors (see below), whose sum is σ = 35336788080. Its totient is φ = 11423698272.

The previous prime is 23201321219. The next prime is 23201321237. The reversal of 23201321222 is 22212310232.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23201321194 and 23201321203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290933 + ... + 362000.

It is an arithmetic number, because the mean of its divisors is an integer number (2208549255).

Almost surely, 2^23201321222 is an apocalyptic number.

23201321222 is a deficient number, since it is larger than the sum of its proper divisors (12135466858).

23201321222 is a wasteful number, since it uses less digits than its factorization.

23201321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653207.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23201321222 its reverse (22212310232), we get a palindrome (45413631454).

The spelling of 23201321222 in words is "twenty-three billion, two hundred one million, three hundred twenty-one thousand, two hundred twenty-two".