442221545122204 has 96 divisors (see below), whose sum is σ = 840034548239040. Its totient is φ = 202874189414400.

The previous prime is 442221545122171. The next prime is 442221545122219. The reversal of 442221545122204 is 402221545122244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23791971399 + ... + 23791989985.

It is an arithmetic number, because the mean of its divisors is an integer number (8750359877490).

Almost surely, 2^{442221545122204} is an apocalyptic number.

It is an amenable number.

442221545122204 is a deficient number, since it is larger than the sum of its proper divisors (397813003116836).

442221545122204 is a wasteful number, since it uses less digits than its factorization.

442221545122204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24679 (or 24677 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 40.

Adding to 442221545122204 its sum of digits (40), we get a palindrome (442221545122244).

The spelling of 442221545122204 in words is "four hundred forty-two trillion, two hundred twenty-one billion, five hundred forty-five million, one hundred twenty-two thousand, two hundred four".