22142130422144 has 64 divisors (see below), whose sum is σ = 46470464559600. Its totient is φ = 10479897262080.

The previous prime is 22142130422117. The next prime is 22142130422147. The reversal of 22142130422144 is 44122403124122.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 22142130422144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142130422147) 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 7 ways as a sum of consecutive naturals, for example, 671687 + ... + 6688454.

Almost surely, 2^{22142130422144} is an apocalyptic number.

It is an amenable number.

22142130422144 is an abundant number, since it is smaller than the sum of its proper divisors (24328334137456).

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

22142130422144 is a wasteful number, since it uses less digits than its factorization.

22142130422144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7361411 (or 7361399 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 22142130422144 its reverse (44122403124122), we get a palindrome (66264533546266).

The spelling of 22142130422144 in words is "twenty-two trillion, one hundred forty-two billion, one hundred thirty million, four hundred twenty-two thousand, one hundred forty-four".