442211347 has 2 divisors, whose sum is σ = 442211348. Its totient is φ = 442211346.

The previous prime is 442211303. The next prime is 442211351. The reversal of 442211347 is 743112244.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442211347 is a prime.

It is not a weakly prime, because it can be changed into another prime (442211647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221105673 + 221105674.

It is an arithmetic number, because the mean of its divisors is an integer number (221105674).

Almost surely, 2^442211347 is an apocalyptic number.

442211347 is a deficient number, since it is larger than the sum of its proper divisors (1).

442211347 is an equidigital number, since it uses as much as digits as its factorization.

442211347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 28.

The square root of 442211347 is about 21028.8218167352. The cubic root of 442211347 is about 761.8625525083.

The spelling of 442211347 in words is "four hundred forty-two million, two hundred eleven thousand, three hundred forty-seven".