2303220842 has 16 divisors (see below), whose sum is σ = 3745564200. Its totient is φ = 1055888832.

The previous prime is 2303220839. The next prime is 2303220889. The reversal of 2303220842 is 2480223032.

It can be written as a sum of positive squares in 4 ways, for example, as 652342681 + 1650878161 = 25541^2 + 40631^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293393 + ... + 301140.

Almost surely, 2^2303220842 is an apocalyptic number.

2303220842 is a deficient number, since it is larger than the sum of its proper divisors (1442343358).

2303220842 is a wasteful number, since it uses less digits than its factorization.

2303220842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594697.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 2303220842 is about 47991.8830845384. The cubic root of 2303220842 is about 1320.6219983370.

Adding to 2303220842 its reverse (2480223032), we get a palindrome (4783443874).

The spelling of 2303220842 in words is "two billion, three hundred three million, two hundred twenty thousand, eight hundred forty-two".