23221240422 has 16 divisors (see below), whose sum is σ = 46480469760. Its totient is φ = 7734081992.

The previous prime is 23221240417. The next prime is 23221240433. The reversal of 23221240422 is 22404212232.

It is a junction number, because it is equal to n+sod(n) for n = 23221240392 and 23221240401.

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, 1574922 + ... + 1589597.

It is an arithmetic number, because the mean of its divisors is an integer number (2905029360).

Almost surely, 2^23221240422 is an apocalyptic number.

23221240422 is an abundant number, since it is smaller than the sum of its proper divisors (23259229338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23221240422 is a wasteful number, since it uses less digits than its factorization.

23221240422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165747.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 23221240422 its reverse (22404212232), we get a palindrome (45625452654).

The spelling of 23221240422 in words is "twenty-three billion, two hundred twenty-one million, two hundred forty thousand, four hundred twenty-two".