23221101 has 8 divisors (see below), whose sum is σ = 30991680. Its totient is φ = 15465632.

The previous prime is 23221091. The next prime is 23221103. The reversal of 23221101 is 10112232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23221101 - 2⁵ = 23221069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505 + ... + 6833.

It is an arithmetic number, because the mean of its divisors is an integer number (3873960).

Almost surely, 2^23221101 is an apocalyptic number.

It is an amenable number.

23221101 is a deficient number, since it is larger than the sum of its proper divisors (7770579).

23221101 is a wasteful number, since it uses less digits than its factorization.

23221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7555.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 23221101 is about 4818.8277620185. The cubic root of 23221101 is about 285.2950714349.

Adding to 23221101 its reverse (10112232), we get a palindrome (33333333).

The spelling of 23221101 in words is "twenty-three million, two hundred twenty-one thousand, one hundred one".