442222560858 has 64 divisors (see below), whose sum is σ = 968568257664. Its totient is φ = 133772256000.

The previous prime is 442222560851. The next prime is 442222560877. The reversal of 442222560858 is 858065222244.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (442222560851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10165173 + ... + 10208583.

It is an arithmetic number, because the mean of its divisors is an integer number (15133879026).

Almost surely, 2^442222560858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442222560858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484284128832).

442222560858 is an abundant number, since it is smaller than the sum of its proper divisors (526345696806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442222560858 is a wasteful number, since it uses less digits than its factorization.

442222560858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45631.

The product of its (nonzero) digits is 2457600, while the sum is 48.

The spelling of 442222560858 in words is "four hundred forty-two billion, two hundred twenty-two million, five hundred sixty thousand, eight hundred fifty-eight".