1822616842 has 8 divisors (see below), whose sum is σ = 2771376516. Its totient is φ = 898824672.

The previous prime is 1822616777. The next prime is 1822616881. The reversal of 1822616842 is 2486162281.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1803615961 + 19000881 = 42469^2 + 4359^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1822616795 and 1822616804.

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, 6241693 + ... + 6241984.

Almost surely, 2^1822616842 is an apocalyptic number.

1822616842 is a deficient number, since it is larger than the sum of its proper divisors (948759674).

1822616842 is a wasteful number, since it uses less digits than its factorization.

1822616842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12483752.

The product of its digits is 73728, while the sum is 40.

The square root of 1822616842 is about 42692.1168601418. The cubic root of 1822616842 is about 1221.5140304476.

The spelling of 1822616842 in words is "one billion, eight hundred twenty-two million, six hundred sixteen thousand, eight hundred forty-two".