302212242 has 32 divisors (see below), whose sum is σ = 693250560. Its totient is φ = 97487280.

The previous prime is 302212241. The next prime is 302212243. The reversal of 302212242 is 242212203.

It is an interprime number because it is at equal distance from previous prime (302212241) and next prime (302212243).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (302212241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88593 + ... + 91940.

It is an arithmetic number, because the mean of its divisors is an integer number (21664080).

Almost surely, 2^302212242 is an apocalyptic number.

302212242 is an abundant number, since it is smaller than the sum of its proper divisors (391038318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302212242 is a wasteful number, since it uses less digits than its factorization.

302212242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180575 (or 180569 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 302212242 is about 17384.2527017988. The cubic root of 302212242 is about 671.0744192933.

Adding to 302212242 its reverse (242212203), we get a palindrome (544424445).

The spelling of 302212242 in words is "three hundred two million, two hundred twelve thousand, two hundred forty-two".