442221545122195 has 16 divisors (see below), whose sum is σ = 554169879251712. Its totient is φ = 338131863620320.

The previous prime is 442221545122171. The next prime is 442221545122219. The reversal of 442221545122195 is 591221545122244.

It is an interprime number because it is at equal distance from previous prime (442221545122171) and next prime (442221545122219).

It is a de Polignac number, because none of the positive numbers 2^k-442221545122195 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1498451341 + ... + 1498746430.

It is an arithmetic number, because the mean of its divisors is an integer number (34635617453232).

Almost surely, 2^{442221545122195} is an apocalyptic number.

442221545122195 is a deficient number, since it is larger than the sum of its proper divisors (111948334129517).

442221545122195 is a wasteful number, since it uses less digits than its factorization.

442221545122195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997199082.

The product of its digits is 2304000, while the sum is 49.

Adding to 442221545122195 its sum of digits (49), we get a palindrome (442221545122244).

The spelling of 442221545122195 in words is "four hundred forty-two trillion, two hundred twenty-one billion, five hundred forty-five million, one hundred twenty-two thousand, one hundred ninety-five".