22132001142 has 56 divisors (see below), whose sum is σ = 49817401056. Its totient is φ = 7370936496.

The previous prime is 22132001119. The next prime is 22132001147. The reversal of 22132001142 is 24110023122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22132001147) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1855923 + ... + 1867809.

Almost surely, 2^22132001142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22132001142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24908700528).

22132001142 is an abundant number, since it is smaller than the sum of its proper divisors (27685399914).

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

22132001142 is a wasteful number, since it uses less digits than its factorization.

22132001142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13184 (or 13169 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22132001142 its reverse (24110023122), we get a palindrome (46242024264).

The spelling of 22132001142 in words is "twenty-two billion, one hundred thirty-two million, one thousand, one hundred forty-two".