2321440222 has 8 divisors (see below), whose sum is σ = 3521286000. Its totient is φ = 1147678224.

The previous prime is 2321440207. The next prime is 2321440229. The reversal of 2321440222 is 2220441232.

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

It is a junction number, because it is equal to n+sod(n) for n = 2321440193 and 2321440202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321440229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6520722 + ... + 6521077.

It is an arithmetic number, because the mean of its divisors is an integer number (440160750).

Almost surely, 2^2321440222 is an apocalyptic number.

2321440222 is a deficient number, since it is larger than the sum of its proper divisors (1199845778).

2321440222 is a wasteful number, since it uses less digits than its factorization.

2321440222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13041890.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2321440222 is about 48181.3264865134. The cubic root of 2321440222 is about 1324.0950692041.

Adding to 2321440222 its reverse (2220441232), we get a palindrome (4541881454).

It can be divided in two parts, 23214 and 40222, that added together give a palindrome (63436).

The spelling of 2321440222 in words is "two billion, three hundred twenty-one million, four hundred forty thousand, two hundred twenty-two".