2320432221 has 16 divisors (see below), whose sum is σ = 3305966400. Its totient is φ = 1442596608.

The previous prime is 2320432217. The next prime is 2320432237. The reversal of 2320432221 is 1222340232.

It is not a de Polignac number, because 2320432221 - 2² = 2320432217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320432201) 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, 203151 + ... + 214268.

It is an arithmetic number, because the mean of its divisors is an integer number (206622900).

Almost surely, 2^2320432221 is an apocalyptic number.

It is an amenable number.

2320432221 is a deficient number, since it is larger than the sum of its proper divisors (985534179).

2320432221 is a wasteful number, since it uses less digits than its factorization.

2320432221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417548.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2320432221 is about 48170.8648562593. The cubic root of 2320432221 is about 1323.9033947474.

Adding to 2320432221 its reverse (1222340232), we get a palindrome (3542772453).

The spelling of 2320432221 in words is "two billion, three hundred twenty million, four hundred thirty-two thousand, two hundred twenty-one".