23224401021221 has 8 divisors (see below), whose sum is σ = 24331389805824. Its totient is φ = 22139775646560.

The previous prime is 23224401021187. The next prime is 23224401021229. The reversal of 23224401021221 is 12212010442232.

It is a happy number.

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 23224401021221 - 2¹⁴ = 23224401004837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23224401021229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5590850360 + ... + 5590854513.

It is an arithmetic number, because the mean of its divisors is an integer number (3041423725728).

Almost surely, 2^{23224401021221} is an apocalyptic number.

It is an amenable number.

23224401021221 is a deficient number, since it is larger than the sum of its proper divisors (1106988784603).

23224401021221 is a wasteful number, since it uses less digits than its factorization.

23224401021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11181704971.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 23224401021221 its reverse (12212010442232), we get a palindrome (35436411463453).

The spelling of 23224401021221 in words is "twenty-three trillion, two hundred twenty-four billion, four hundred one million, twenty-one thousand, two hundred twenty-one".