301221442 has 16 divisors (see below), whose sum is σ = 458045280. Its totient is φ = 148545952.

The previous prime is 301221439. The next prime is 301221443. The reversal of 301221442 is 244122103.

It is not an unprimeable number, because it can be changed into a prime (301221443) 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, 133173 + ... + 135415.

It is an arithmetic number, because the mean of its divisors is an integer number (28627830).

Almost surely, 2^301221442 is an apocalyptic number.

301221442 is a deficient number, since it is larger than the sum of its proper divisors (156823838).

301221442 is a wasteful number, since it uses less digits than its factorization.

301221442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 301221442 is about 17355.7322519103. The cubic root of 301221442 is about 670.3402459852.

Adding to 301221442 its reverse (244122103), we get a palindrome (545343545).

The spelling of 301221442 in words is "three hundred one million, two hundred twenty-one thousand, four hundred forty-two".