22142140433 has 24 divisors (see below), whose sum is σ = 27553570632. Its totient is φ = 17678352384.

The previous prime is 22142140393. The next prime is 22142140469. The reversal of 22142140433 is 33404124122.

It can be written as a sum of positive squares in 4 ways, for example, as 5698438144 + 16443702289 = 75488^2 + 128233^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22142140433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22142140483) 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 23 ways as a sum of consecutive naturals, for example, 56216 + ... + 217817.

It is an arithmetic number, because the mean of its divisors is an integer number (1148065443).

Almost surely, 2^22142140433 is an apocalyptic number.

It is an amenable number.

22142140433 is a deficient number, since it is larger than the sum of its proper divisors (5411430199).

22142140433 is a wasteful number, since it uses less digits than its factorization.

22142140433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274161 (or 274154 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 22142140433 its reverse (33404124122), we get a palindrome (55546264555).

The spelling of 22142140433 in words is "twenty-two billion, one hundred forty-two million, one hundred forty thousand, four hundred thirty-three".