222232123001 has 24 divisors (see below), whose sum is σ = 265117168800. Its totient is φ = 185639634432.

The previous prime is 222232122997. The next prime is 222232123033. The reversal of 222232123001 is 100321232222.

It is a happy number.

It is not a de Polignac number, because 222232123001 - 2² = 222232122997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222232123901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 828590 + ... + 1063496.

It is an arithmetic number, because the mean of its divisors is an integer number (11046548700).

Almost surely, 2^222232123001 is an apocalyptic number.

It is an amenable number.

222232123001 is a deficient number, since it is larger than the sum of its proper divisors (42885045799).

222232123001 is a wasteful number, since it uses less digits than its factorization.

222232123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235413 (or 235406 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 222232123001 its reverse (100321232222), we get a palindrome (322553355223).

The spelling of 222232123001 in words is "two hundred twenty-two billion, two hundred thirty-two million, one hundred twenty-three thousand, one".