2303220442 has 4 divisors (see below), whose sum is σ = 3454830666. Its totient is φ = 1151610220.

The previous prime is 2303220433. The next prime is 2303220457. The reversal of 2303220442 is 2440223032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1950193921 + 353026521 = 44161^2 + 18789^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575805109 + ... + 575805112.

Almost surely, 2^2303220442 is an apocalyptic number.

2303220442 is a deficient number, since it is larger than the sum of its proper divisors (1151610224).

2303220442 is a wasteful number, since it uses less digits than its factorization.

2303220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151610223.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 2303220442 is about 47991.8789171668. The cubic root of 2303220442 is about 1320.6219218862.

Adding to 2303220442 its reverse (2440223032), we get a palindrome (4743443474).

The spelling of 2303220442 in words is "two billion, three hundred three million, two hundred twenty thousand, four hundred forty-two".