302210042 has 4 divisors (see below), whose sum is σ = 453315066. Its totient is φ = 151105020.

The previous prime is 302210033. The next prime is 302210093. The reversal of 302210042 is 240012203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240012203 = 1019 ⋅235537.

It can be written as a sum of positive squares in only one way, i.e., 264030001 + 38180041 = 16249^2 + 6179^2 .

It is a junction number, because it is equal to n+sod(n) for n = 302209999 and 302210026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75552509 + ... + 75552512.

Almost surely, 2^302210042 is an apocalyptic number.

302210042 is a deficient number, since it is larger than the sum of its proper divisors (151105024).

302210042 is a wasteful number, since it uses less digits than its factorization.

302210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151105023.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 302210042 is about 17384.1894260273. The cubic root of 302210042 is about 671.0727908933.

Adding to 302210042 its reverse (240012203), we get a palindrome (542222245).

The spelling of 302210042 in words is "three hundred two million, two hundred ten thousand, forty-two".