1303222233 has 4 divisors (see below), whose sum is σ = 1737629648. Its totient is φ = 868814820.

The previous prime is 1303222231. The next prime is 1303222243. The reversal of 1303222233 is 3322223031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3322223031 = 3 ⋅1107407677.

It is not a de Polignac number, because 1303222233 - 2¹ = 1303222231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303222231) 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, 217203703 + ... + 217203708.

It is an arithmetic number, because the mean of its divisors is an integer number (434407412).

Almost surely, 2^1303222233 is an apocalyptic number.

It is an amenable number.

1303222233 is a deficient number, since it is larger than the sum of its proper divisors (434407415).

1303222233 is an equidigital number, since it uses as much as digits as its factorization.

1303222233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434407414.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1303222233 is about 36100.1694317354. The cubic root of 1303222233 is about 1092.2938627007.

Adding to 1303222233 its reverse (3322223031), we get a palindrome (4625445264).

The spelling of 1303222233 in words is "one billion, three hundred three million, two hundred twenty-two thousand, two hundred thirty-three".