22142202231432 has 16 divisors (see below), whose sum is σ = 55355505578640. Its totient is φ = 7380734077136.

The previous prime is 22142202231431. The next prime is 22142202231467. The reversal of 22142202231432 is 23413220224122.

It is a self number, because there is not a number n which added to its sum of digits gives 22142202231432.

It is not an unprimeable number, because it can be changed into a prime (22142202231431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461295879798 + ... + 461295879845.

It is an arithmetic number, because the mean of its divisors is an integer number (3459719098665).

Almost surely, 2^{22142202231432} is an apocalyptic number.

It is an amenable number.

22142202231432 is an abundant number, since it is smaller than the sum of its proper divisors (33213303347208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22142202231432 is a wasteful number, since it uses less digits than its factorization.

22142202231432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922591759652 (or 922591759648 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 22142202231432 its reverse (23413220224122), we get a palindrome (45555422455554).

The spelling of 22142202231432 in words is "twenty-two trillion, one hundred forty-two billion, two hundred two million, two hundred thirty-one thousand, four hundred thirty-two".