2204423515 has 12 divisors (see below), whose sum is σ = 3077195616. Its totient is φ = 1511604528.

The previous prime is 2204423513. The next prime is 2204423539. The reversal of 2204423515 is 5153244022.

2204423515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2204423515 - 2¹ = 2204423513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2204423513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4498579 + ... + 4499068.

It is an arithmetic number, because the mean of its divisors is an integer number (256432968).

Almost surely, 2^2204423515 is an apocalyptic number.

2204423515 is a deficient number, since it is larger than the sum of its proper divisors (872772101).

2204423515 is an equidigital number, since it uses as much as digits as its factorization.

2204423515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8997666 (or 8997659 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2204423515 is about 46951.2887469556. The cubic root of 2204423515 is about 1301.4625580818.

Adding to 2204423515 its reverse (5153244022), we get a palindrome (7357667537).

The spelling of 2204423515 in words is "two billion, two hundred four million, four hundred twenty-three thousand, five hundred fifteen".