4321540222 has 16 divisors (see below), whose sum is σ = 6551344800. Its totient is φ = 2137816800.

The previous prime is 4321540187. The next prime is 4321540229. The reversal of 4321540222 is 2220451234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321540229) 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, 138679 + ... + 166957.

It is an arithmetic number, because the mean of its divisors is an integer number (409459050).

Almost surely, 2^4321540222 is an apocalyptic number.

4321540222 is a deficient number, since it is larger than the sum of its proper divisors (2229804578).

4321540222 is a wasteful number, since it uses less digits than its factorization.

4321540222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29091.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4321540222 is about 65738.4227221798. The cubic root of 4321540222 is about 1628.8441027793.

Adding to 4321540222 its reverse (2220451234), we get a palindrome (6541991456).

The spelling of 4321540222 in words is "four billion, three hundred twenty-one million, five hundred forty thousand, two hundred twenty-two".