22532123142 has 96 divisors (see below), whose sum is σ = 53148625920. Its totient is φ = 6872662080.

The previous prime is 22532123101. The next prime is 22532123143. The reversal of 22532123142 is 24132123522.

22532123142 is a `hidden beast` number, since 2 + 2 + 532 + 123 + 1 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22532123143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6497293 + ... + 6500759.

It is an arithmetic number, because the mean of its divisors is an integer number (553631520).

Almost surely, 2^22532123142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22532123142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26574312960).

22532123142 is an abundant number, since it is smaller than the sum of its proper divisors (30616502778).

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

22532123142 is a wasteful number, since it uses less digits than its factorization.

22532123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138 (or 4135 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

Adding to 22532123142 its reverse (24132123522), we get a palindrome (46664246664).

The spelling of 22532123142 in words is "twenty-two billion, five hundred thirty-two million, one hundred twenty-three thousand, one hundred forty-two".