442229461 has 4 divisors (see below), whose sum is σ = 443130624. Its totient is φ = 441328300.

The previous prime is 442229419. The next prime is 442229471. The reversal of 442229461 is 164922244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442229461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442229471) 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, 449845 + ... + 450826.

It is an arithmetic number, because the mean of its divisors is an integer number (110782656).

Almost surely, 2^442229461 is an apocalyptic number.

It is an amenable number.

442229461 is a deficient number, since it is larger than the sum of its proper divisors (901163).

442229461 is an equidigital number, since it uses as much as digits as its factorization.

442229461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901162.

The product of its digits is 27648, while the sum is 34.

The square root of 442229461 is about 21029.2525069247. The cubic root of 442229461 is about 761.8729549173.

The spelling of 442229461 in words is "four hundred forty-two million, two hundred twenty-nine thousand, four hundred sixty-one".