302022442 has 16 divisors (see below), whose sum is σ = 504930240. Its totient is φ = 134647488.

The previous prime is 302022437. The next prime is 302022449. The reversal of 302022442 is 244220203.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (302022449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233118 + ... + 234409.

It is an arithmetic number, because the mean of its divisors is an integer number (31558140).

Almost surely, 2^302022442 is an apocalyptic number.

302022442 is a deficient number, since it is larger than the sum of its proper divisors (202907798).

302022442 is a wasteful number, since it uses less digits than its factorization.

302022442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467565.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 302022442 is about 17378.7928809800. The cubic root of 302022442 is about 670.9339036990.

Adding to 302022442 its reverse (244220203), we get a palindrome (546242645).

The spelling of 302022442 in words is "three hundred two million, twenty-two thousand, four hundred forty-two".