23221004115 has 32 divisors (see below), whose sum is σ = 37881264960. Its totient is φ = 12144328704.

The previous prime is 23221004111. The next prime is 23221004153. The reversal of 23221004115 is 51140012232.

It is not a de Polignac number, because 23221004115 - 2² = 23221004111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23221004091 and 23221004100.

It is not an unprimeable number, because it can be changed into a prime (23221004111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85387 + ... + 231803.

It is an arithmetic number, because the mean of its divisors is an integer number (1183789530).

Almost surely, 2^23221004115 is an apocalyptic number.

23221004115 is a deficient number, since it is larger than the sum of its proper divisors (14660260845).

23221004115 is a wasteful number, since it uses less digits than its factorization.

23221004115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146631.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 23221004115 its reverse (51140012232), we get a palindrome (74361016347).

The spelling of 23221004115 in words is "twenty-three billion, two hundred twenty-one million, four thousand, one hundred fifteen".