1302222223 has 2 divisors, whose sum is σ = 1302222224. Its totient is φ = 1302222222.

The previous prime is 1302222203. The next prime is 1302222227. The reversal of 1302222223 is 3222222031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1302222223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1302222223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302222227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651111111 + 651111112.

It is an arithmetic number, because the mean of its divisors is an integer number (651111112).

Almost surely, 2^1302222223 is an apocalyptic number.

1302222223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302222223 is an equidigital number, since it uses as much as digits as its factorization.

1302222223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1302222223 is about 36086.3162847083. The cubic root of 1302222223 is about 1092.0144055558.

Adding to 1302222223 its reverse (3222222031), we get a palindrome (4524444254).

It can be divided in two parts, 13022 and 22223, that added together give a triangular number (35245 = T₂₆₅).

The spelling of 1302222223 in words is "one billion, three hundred two million, two hundred twenty-two thousand, two hundred twenty-three".