1303222231 has 2 divisors, whose sum is σ = 1303222232. Its totient is φ = 1303222230.

The previous prime is 1303222211. The next prime is 1303222243. The reversal of 1303222231 is 1322223031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1303222231 - 2¹⁷ = 1303091159 is a prime.

It is a super-2 number, since 2×1303222231² = 3396776366745234722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1303222199 and 1303222208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651611115 + 651611116.

It is an arithmetic number, because the mean of its divisors is an integer number (651611116).

Almost surely, 2^1303222231 is an apocalyptic number.

1303222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303222231 is an equidigital number, since it uses as much as digits as its factorization.

1303222231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1303222231 is about 36100.1694040347. The cubic root of 1303222231 is about 1092.2938621420.

Adding to 1303222231 its reverse (1322223031), we get a palindrome (2625445262).

The spelling of 1303222231 in words is "one billion, three hundred three million, two hundred twenty-two thousand, two hundred thirty-one".