1302222213 has 12 divisors (see below), whose sum is σ = 1892970508. Its totient is φ = 862617600.

The previous prime is 1302222203. The next prime is 1302222223. The reversal of 1302222213 is 3122222031.

It is an interprime number because it is at equal distance from previous prime (1302222203) and next prime (1302222223).

It can be written as a sum of positive squares in 2 ways, for example, as 1002482244 + 299739969 = 31662^2 + 17313^2 .

It is not a de Polignac number, because 1302222213 - 2⁶ = 1302222149 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 (1302222203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459388 + ... + 462213.

Almost surely, 2^1302222213 is an apocalyptic number.

It is an amenable number.

1302222213 is a deficient number, since it is larger than the sum of its proper divisors (590748295).

1302222213 is a wasteful number, since it uses less digits than its factorization.

1302222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921764 (or 921761 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1302222213 is about 36086.3161461516. The cubic root of 1302222213 is about 1092.0144027606.

Adding to 1302222213 its reverse (3122222031), we get a palindrome (4424444244).

The spelling of 1302222213 in words is "one billion, three hundred two million, two hundred twenty-two thousand, two hundred thirteen".