232222210221 has 16 divisors (see below), whose sum is σ = 327854447424. Its totient is φ = 145703019264.

The previous prime is 232222210201. The next prime is 232222210247. The reversal of 232222210221 is 122012222232.

It is not a de Polignac number, because 232222210221 - 2¹³ = 232222202029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232222210201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890546 + ... + 2009628.

It is an arithmetic number, because the mean of its divisors is an integer number (20490902964).

Almost surely, 2^232222210221 is an apocalyptic number.

It is an amenable number.

232222210221 is a deficient number, since it is larger than the sum of its proper divisors (95632237203).

232222210221 is a wasteful number, since it uses less digits than its factorization.

232222210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157340.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 232222210221 its reverse (122012222232), we get a palindrome (354234432453).

The spelling of 232222210221 in words is "two hundred thirty-two billion, two hundred twenty-two million, two hundred ten thousand, two hundred twenty-one".