302226242 has 4 divisors (see below), whose sum is σ = 453339366. Its totient is φ = 151113120.

The previous prime is 302226241. The next prime is 302226257. The reversal of 302226242 is 242622203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242622203 = 4127 ⋅58789.

It can be written as a sum of positive squares in only one way, i.e., 164891281 + 137334961 = 12841^2 + 11719^2 .

It is not an unprimeable number, because it can be changed into a prime (302226241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75556559 + ... + 75556562.

Almost surely, 2^302226242 is an apocalyptic number.

302226242 is a deficient number, since it is larger than the sum of its proper divisors (151113124).

302226242 is a wasteful number, since it uses less digits than its factorization.

302226242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151113123.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 302226242 is about 17384.6553604033. The cubic root of 302226242 is about 671.0847816540.

Adding to 302226242 its reverse (242622203), we get a palindrome (544848445).

The spelling of 302226242 in words is "three hundred two million, two hundred twenty-six thousand, two hundred forty-two".