302220013 has 8 divisors (see below), whose sum is σ = 305686656. Its totient is φ = 298771200.

The previous prime is 302219993. The next prime is 302220053. The reversal of 302220013 is 310022203.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 302220013 - 2¹³ = 302211821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302219975 and 302220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302220053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31245 + ... + 39757.

It is an arithmetic number, because the mean of its divisors is an integer number (38210832).

Almost surely, 2^302220013 is an apocalyptic number.

It is an amenable number.

302220013 is a deficient number, since it is larger than the sum of its proper divisors (3466643).

302220013 is a wasteful number, since it uses less digits than its factorization.

302220013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8915.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 302220013 is about 17384.4762072373. The cubic root of 302220013 is about 671.0801711832.

Adding to 302220013 its reverse (310022203), we get a palindrome (612242216).

The spelling of 302220013 in words is "three hundred two million, two hundred twenty thousand, thirteen".