441221042 has 4 divisors (see below), whose sum is σ = 661831566. Its totient is φ = 220610520.

The previous prime is 441221023. The next prime is 441221069. The reversal of 441221042 is 240122144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 249924481 + 191296561 = 15809^2 + 13831^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110305259 + ... + 110305262.

Almost surely, 2^441221042 is an apocalyptic number.

441221042 is a deficient number, since it is larger than the sum of its proper divisors (220610524).

441221042 is a wasteful number, since it uses less digits than its factorization.

441221042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220610523.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 441221042 is about 21005.2622454470. The cubic root of 441221042 is about 761.2934127347.

Adding to 441221042 its reverse (240122144), we get a palindrome (681343186).

The spelling of 441221042 in words is "four hundred forty-one million, two hundred twenty-one thousand, forty-two".