22142142431202 has 16 divisors (see below), whose sum is σ = 44284776288480. Its totient is φ = 7380632239392.

The previous prime is 22142142431191. The next prime is 22142142431209. The reversal of 22142142431202 is 20213424124122.

It is a self number, because there is not a number n which added to its sum of digits gives 22142142431202.

It is not an unprimeable number, because it can be changed into a prime (22142142431209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19889052 + ... + 20972807.

It is an arithmetic number, because the mean of its divisors is an integer number (2767798518030).

Almost surely, 2^{22142142431202} is an apocalyptic number.

22142142431202 is an abundant number, since it is smaller than the sum of its proper divisors (22142633857278).

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

22142142431202 is a wasteful number, since it uses less digits than its factorization.

22142142431202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40952177.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 22142142431202 its reverse (20213424124122), we get a palindrome (42355566555324).

The spelling of 22142142431202 in words is "twenty-two trillion, one hundred forty-two billion, one hundred forty-two million, four hundred thirty-one thousand, two hundred two".