22243121142 has 16 divisors (see below), whose sum is σ = 48530446272. Its totient is φ = 6740339720.

The previous prime is 22243121123. The next prime is 22243121171. The reversal of 22243121142 is 24112134222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168508428 + ... + 168508559.

It is an arithmetic number, because the mean of its divisors is an integer number (3033152892).

Almost surely, 2^22243121142 is an apocalyptic number.

22243121142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22243121142 is an abundant number, since it is smaller than the sum of its proper divisors (26287325130).

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

22243121142 is a wasteful number, since it uses less digits than its factorization.

22243121142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337017003.

The product of its digits is 1536, while the sum is 24.

Adding to 22243121142 its reverse (24112134222), we get a palindrome (46355255364).

The spelling of 22243121142 in words is "twenty-two billion, two hundred forty-three million, one hundred twenty-one thousand, one hundred forty-two".