302012223 has 16 divisors (see below), whose sum is σ = 407433216. Its totient is φ = 198979200.

The previous prime is 302012219. The next prime is 302012233. The reversal of 302012223 is 322210203.

It is not a de Polignac number, because 302012223 - 2² = 302012219 is a prime.

It is a super-2 number, since 2×302012223² = 182422765682803458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302012213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106423 + ... + 109223.

It is an arithmetic number, because the mean of its divisors is an integer number (25464576).

Almost surely, 2^302012223 is an apocalyptic number.

302012223 is a deficient number, since it is larger than the sum of its proper divisors (105420993).

302012223 is a wasteful number, since it uses less digits than its factorization.

302012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 302012223 is about 17378.4988707310. The cubic root of 302012223 is about 670.9263365451.

Adding to 302012223 its reverse (322210203), we get a palindrome (624222426).

The spelling of 302012223 in words is "three hundred two million, twelve thousand, two hundred twenty-three".