442037219 has 4 divisors (see below), whose sum is σ = 476040096. Its totient is φ = 408034344.

The previous prime is 442037203. The next prime is 442037237. The reversal of 442037219 is 912730244.

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

It is a cyclic number.

It is not a de Polignac number, because 442037219 - 2⁴ = 442037203 is a prime.

It is a super-2 number, since 2×442037219² = 390793805962507922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442033219) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 17001419 + ... + 17001444.

It is an arithmetic number, because the mean of its divisors is an integer number (119010024).

Almost surely, 2^442037219 is an apocalyptic number.

442037219 is a deficient number, since it is larger than the sum of its proper divisors (34002877).

442037219 is a wasteful number, since it uses less digits than its factorization.

442037219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34002876.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 442037219 is about 21024.6811866435. The cubic root of 442037219 is about 761.7625407381.

The spelling of 442037219 in words is "four hundred forty-two million, thirty-seven thousand, two hundred nineteen".