1823642022002 has 16 divisors (see below), whose sum is σ = 2747706480792. Its totient is φ = 907741296000.

The previous prime is 1823642021941. The next prime is 1823642022019. The reversal of 1823642022002 is 2002202463281.

It can be written as a sum of positive squares in 4 ways, for example, as 1553490524881 + 270151497121 = 1246391^2 + 519761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1823642022002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207768 + ... + 2919164.

Almost surely, 2^{1823642022002} is an apocalyptic number.

1823642022002 is a deficient number, since it is larger than the sum of its proper divisors (924064458790).

1823642022002 is a wasteful number, since it uses less digits than its factorization.

1823642022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717133.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 1823642022002 its reverse (2002202463281), we get a palindrome (3825844485283).

The spelling of 1823642022002 in words is "one trillion, eight hundred twenty-three billion, six hundred forty-two million, twenty-two thousand, two".