2321220215 has 8 divisors (see below), whose sum is σ = 2932067760. Its totient is φ = 1759240512.

The previous prime is 2321220199. The next prime is 2321220217. The reversal of 2321220215 is 5120221232.

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

It is a cyclic number.

It is not a de Polignac number, because 2321220215 - 2⁴ = 2321220199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321220217) 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, 12216854 + ... + 12217043.

It is an arithmetic number, because the mean of its divisors is an integer number (366508470).

Almost surely, 2^2321220215 is an apocalyptic number.

2321220215 is a deficient number, since it is larger than the sum of its proper divisors (610847545).

2321220215 is a wasteful number, since it uses less digits than its factorization.

2321220215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24433921.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2321220215 is about 48179.0433176085. The cubic root of 2321220215 is about 1324.0532389380.

Adding to 2321220215 its reverse (5120221232), we get a palindrome (7441441447).

The spelling of 2321220215 in words is "two billion, three hundred twenty-one million, two hundred twenty thousand, two hundred fifteen".