302221022 has 16 divisors (see below), whose sum is σ = 460182912. Its totient is φ = 148832640.

The previous prime is 302221013. The next prime is 302221027. The reversal of 302221022 is 220122203.

It is a super-2 number, since 2×302221022² = 182675092277448968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302220988 and 302221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302221027) 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 7 ways as a sum of consecutive naturals, for example, 192083 + ... + 193649.

It is an arithmetic number, because the mean of its divisors is an integer number (28761432).

Almost surely, 2^302221022 is an apocalyptic number.

302221022 is a deficient number, since it is larger than the sum of its proper divisors (157961890).

302221022 is a wasteful number, since it uses less digits than its factorization.

302221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963.

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

The square root of 302221022 is about 17384.5052273569. The cubic root of 302221022 is about 671.0809180112.

Adding to 302221022 its reverse (220122203), we get a palindrome (522343225).

The spelling of 302221022 in words is "three hundred two million, two hundred twenty-one thousand, twenty-two".