2332231221 has 16 divisors (see below), whose sum is σ = 3133748736. Its totient is φ = 1542798576.

The previous prime is 2332231219. The next prime is 2332231259. The reversal of 2332231221 is 1221322332.

It is a happy number.

It is not a de Polignac number, because 2332231221 - 2¹ = 2332231219 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2332231201) 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, 330496 + ... + 337478.

It is an arithmetic number, because the mean of its divisors is an integer number (195859296).

Almost surely, 2^2332231221 is an apocalyptic number.

It is an amenable number.

2332231221 is a deficient number, since it is larger than the sum of its proper divisors (801517515).

2332231221 is a wasteful number, since it uses less digits than its factorization.

2332231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7832.

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

The square root of 2332231221 is about 48293.1798601003. The cubic root of 2332231221 is about 1326.1435426960.

Adding to 2332231221 its reverse (1221322332), we get a palindrome (3553553553).

The spelling of 2332231221 in words is "two billion, three hundred thirty-two million, two hundred thirty-one thousand, two hundred twenty-one".