16842226442 has 8 divisors (see below), whose sum is σ = 25276150116. Its totient is φ = 8416843072.

The previous prime is 16842226409. The next prime is 16842226477. The reversal of 16842226442 is 24462224861.

It can be written as a sum of positive squares in 2 ways, for example, as 16749277561 + 92948881 = 129419^2 + 9641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16842226442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2130143 + ... + 2138034.

Almost surely, 2^16842226442 is an apocalyptic number.

16842226442 is a deficient number, since it is larger than the sum of its proper divisors (8433923674).

16842226442 is a wasteful number, since it uses less digits than its factorization.

16842226442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270152.

The product of its digits is 294912, while the sum is 41.

The spelling of 16842226442 in words is "sixteen billion, eight hundred forty-two million, two hundred twenty-six thousand, four hundred forty-two".