221232233001 has 8 divisors (see below), whose sum is σ = 317666796160. Its totient is φ = 136142912592.

The previous prime is 221232232999. The next prime is 221232233011. The reversal of 221232233001 is 100332232122.

It is a happy number.

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

It is not a de Polignac number, because 221232233001 - 2¹ = 221232232999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221232233011) 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, 2836310641 + ... + 2836310718.

It is an arithmetic number, because the mean of its divisors is an integer number (39708349520).

Almost surely, 2^221232233001 is an apocalyptic number.

It is an amenable number.

221232233001 is a deficient number, since it is larger than the sum of its proper divisors (96434563159).

221232233001 is a wasteful number, since it uses less digits than its factorization.

221232233001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672621375.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 221232233001 its reverse (100332232122), we get a palindrome (321564465123).

The spelling of 221232233001 in words is "two hundred twenty-one billion, two hundred thirty-two million, two hundred thirty-three thousand, one".