22142204144022 has 32 divisors (see below), whose sum is σ = 44945754422400. Its totient is φ = 7270512245568.

The previous prime is 22142204143967. The next prime is 22142204144029. The reversal of 22142204144022 is 22044140224122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142204144029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85504354 + ... + 85762922.

It is an arithmetic number, because the mean of its divisors is an integer number (1404554825700).

Almost surely, 2^{22142204144022} is an apocalyptic number.

22142204144022 is an abundant number, since it is smaller than the sum of its proper divisors (22803550278378).

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

22142204144022 is a wasteful number, since it uses less digits than its factorization.

22142204144022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471660.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 22142204144022 its reverse (22044140224122), we get a palindrome (44186344368144).

The spelling of 22142204144022 in words is "twenty-two trillion, one hundred forty-two billion, two hundred four million, one hundred forty-four thousand, twenty-two".