302029226 has 4 divisors (see below), whose sum is σ = 453043842. Its totient is φ = 151014612.

The previous prime is 302029223. The next prime is 302029283. The reversal of 302029226 is 622920203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622920203 = 29 ⋅21480007.

It can be written as a sum of positive squares in only one way, i.e., 256480225 + 45549001 = 16015^2 + 6749^2 .

It is a junction number, because it is equal to n+sod(n) for n = 302029195 and 302029204.

It is not an unprimeable number, because it can be changed into a prime (302029223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75507305 + ... + 75507308.

Almost surely, 2^302029226 is an apocalyptic number.

302029226 is a deficient number, since it is larger than the sum of its proper divisors (151014616).

302029226 is a wasteful number, since it uses less digits than its factorization.

302029226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151014615.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 302029226 is about 17378.9880602986. The cubic root of 302029226 is about 670.9389271464.

Adding to 302029226 its reverse (622920203), we get a palindrome (924949429).

The spelling of 302029226 in words is "three hundred two million, twenty-nine thousand, two hundred twenty-six".