22142132512532 has 6 divisors (see below), whose sum is σ = 38748731896938. Its totient is φ = 11071066256264.

The previous prime is 22142132512529. The next prime is 22142132512603. The reversal of 22142132512532 is 23521523124122.

It can be written as a sum of positive squares in only one way, i.e., 21974306280976 + 167826231556 = 4687676^2 + 409666^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22142132512492 and 22142132512501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2767766564063 + ... + 2767766564070.

It is an arithmetic number, because the mean of its divisors is an integer number (6458121982823).

Almost surely, 2^{22142132512532} is an apocalyptic number.

It is an amenable number.

22142132512532 is a deficient number, since it is larger than the sum of its proper divisors (16606599384406).

22142132512532 is a wasteful number, since it uses less digits than its factorization.

22142132512532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535533128137 (or 5535533128135 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

Adding to 22142132512532 its reverse (23521523124122), we get a palindrome (45663655636654).

The spelling of 22142132512532 in words is "twenty-two trillion, one hundred forty-two billion, one hundred thirty-two million, five hundred twelve thousand, five hundred thirty-two".