302130022 has 4 divisors (see below), whose sum is σ = 453195036. Its totient is φ = 151065010.

The previous prime is 302130019. The next prime is 302130067. The reversal of 302130022 is 220031203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220031203 = 7 ⋅31433029.

It is a junction number, because it is equal to n+sod(n) for n = 302129984 and 302130011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75532504 + ... + 75532507.

It is an arithmetic number, because the mean of its divisors is an integer number (113298759).

Almost surely, 2^302130022 is an apocalyptic number.

302130022 is a deficient number, since it is larger than the sum of its proper divisors (151065014).

302130022 is a wasteful number, since it uses less digits than its factorization.

302130022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151065013.

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

The square root of 302130022 is about 17381.8877570878. The cubic root of 302130022 is about 671.0135561696.

Adding to 302130022 its reverse (220031203), we get a palindrome (522161225).

The spelling of 302130022 in words is "three hundred two million, one hundred thirty thousand, twenty-two".