442341213 has 8 divisors (see below), whose sum is σ = 590161728. Its totient is φ = 294707424.

The previous prime is 442341199. The next prime is 442341227. The reversal of 442341213 is 312143244.

It is an interprime number because it is at equal distance from previous prime (442341199) and next prime (442341227).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442341213 - 2⁴ = 442341197 is a prime.

It is a super-2 number, since 2×442341213² = 391331497436622738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442341283) 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, 41056 + ... + 50697.

It is an arithmetic number, because the mean of its divisors is an integer number (73770216).

Almost surely, 2^442341213 is an apocalyptic number.

It is an amenable number.

442341213 is a deficient number, since it is larger than the sum of its proper divisors (147820515).

442341213 is a wasteful number, since it uses less digits than its factorization.

442341213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93363.

The product of its digits is 2304, while the sum is 24.

The square root of 442341213 is about 21031.9093997668. The cubic root of 442341213 is about 761.9371249642.

Adding to 442341213 its reverse (312143244), we get a palindrome (754484457).

The spelling of 442341213 in words is "four hundred forty-two million, three hundred forty-one thousand, two hundred thirteen".