302223140 has 12 divisors (see below), whose sum is σ = 634668636. Its totient is φ = 120889248.

The previous prime is 302223137. The next prime is 302223143. The reversal of 302223140 is 41322203.

302223140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (302223137) and next prime (302223143).

It can be written as a sum of positive squares in 2 ways, for example, as 225240064 + 76983076 = 15008^2 + 8774^2 .

It is not an unprimeable number, because it can be changed into a prime (302223143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7555559 + ... + 7555598.

It is an arithmetic number, because the mean of its divisors is an integer number (52889053).

Almost surely, 2^302223140 is an apocalyptic number.

It is an amenable number.

302223140 is an abundant number, since it is smaller than the sum of its proper divisors (332445496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302223140 is a wasteful number, since it uses less digits than its factorization.

302223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15111166 (or 15111164 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 302223140 is about 17384.5661435654. The cubic root of 302223140 is about 671.0824856786.

Adding to 302223140 its reverse (41322203), we get a palindrome (343545343).

It can be divided in two parts, 3022 and 23140, that added together give a palindrome (26162).

The spelling of 302223140 in words is "three hundred two million, two hundred twenty-three thousand, one hundred forty".