442220002291 has 2 divisors, whose sum is σ = 442220002292. Its totient is φ = 442220002290.

The previous prime is 442220002109. The next prime is 442220002307. The reversal of 442220002291 is 192200022244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442220002291 - 2¹⁵ = 442219969523 is a prime.

It is not a weakly prime, because it can be changed into another prime (442220002391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221110001145 + 221110001146.

It is an arithmetic number, because the mean of its divisors is an integer number (221110001146).

Almost surely, 2^442220002291 is an apocalyptic number.

442220002291 is a deficient number, since it is larger than the sum of its proper divisors (1).

442220002291 is an equidigital number, since it uses as much as digits as its factorization.

442220002291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 442220002291 in words is "four hundred forty-two billion, two hundred twenty million, two thousand, two hundred ninety-one".