1302242213 has 8 divisors (see below), whose sum is σ = 1325598936. Its totient is φ = 1278950400.

The previous prime is 1302242189. The next prime is 1302242321. The reversal of 1302242213 is 3122422031.

It can be written as a sum of positive squares in 4 ways, for example, as 118744609 + 1183497604 = 10897^2 + 34402^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1302242213 - 2⁸ = 1302241957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302242413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25193 + ... + 56913.

It is an arithmetic number, because the mean of its divisors is an integer number (165699867).

Almost surely, 2^1302242213 is an apocalyptic number.

It is an amenable number.

1302242213 is a deficient number, since it is larger than the sum of its proper divisors (23356723).

1302242213 is an equidigital number, since it uses as much as digits as its factorization.

1302242213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32455.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1302242213 is about 36086.5932584388. The cubic root of 1302242213 is about 1092.0199932494.

Adding to 1302242213 its reverse (3122422031), we get a palindrome (4424664244).

The spelling of 1302242213 in words is "one billion, three hundred two million, two hundred forty-two thousand, two hundred thirteen".