442220022442 has 32 divisors (see below), whose sum is σ = 731386920960. Its totient is φ = 198860269680.

The previous prime is 442220022421. The next prime is 442220022479. The reversal of 442220022442 is 244220022244.

It is a self number, because there is not a number n which added to its sum of digits gives 442220022442.

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, 1612503 + ... + 1866709.

It is an arithmetic number, because the mean of its divisors is an integer number (22855841280).

Almost surely, 2^442220022442 is an apocalyptic number.

442220022442 is a deficient number, since it is larger than the sum of its proper divisors (289166898518).

442220022442 is a wasteful number, since it uses less digits than its factorization.

442220022442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255066.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 442220022442 its reverse (244220022244), we get a palindrome (686440044686).

The spelling of 442220022442 in words is "four hundred forty-two billion, two hundred twenty million, twenty-two thousand, four hundred forty-two".