22182400042 has 16 divisors (see below), whose sum is σ = 36357325632. Its totient is φ = 10066561120.

The previous prime is 22182399991. The next prime is 22182400049. The reversal of 22182400042 is 24000428122.

It is not an unprimeable number, because it can be changed into a prime (22182400049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803518 + ... + 830665.

It is an arithmetic number, because the mean of its divisors is an integer number (2272332852).

Almost surely, 2^22182400042 is an apocalyptic number.

22182400042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22182400042 is a deficient number, since it is larger than the sum of its proper divisors (14174925590).

22182400042 is a wasteful number, since it uses less digits than its factorization.

22182400042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634813.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 22182400042 its reverse (24000428122), we get a palindrome (46182828164).

It can be divided in two parts, 22182 and 400042, that added together give a palindrome (422224).

The spelling of 22182400042 in words is "twenty-two billion, one hundred eighty-two million, four hundred thousand, forty-two".