22142423132 has 12 divisors (see below), whose sum is σ = 38751294120. Its totient is φ = 11070624816.

The previous prime is 22142423117. The next prime is 22142423137. The reversal of 22142423132 is 23132424122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142423137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55478 + ... + 217629.

It is an arithmetic number, because the mean of its divisors is an integer number (3229274510).

Almost surely, 2^22142423132 is an apocalyptic number.

It is an amenable number.

22142423132 is a deficient number, since it is larger than the sum of its proper divisors (16608870988).

22142423132 is a wasteful number, since it uses less digits than its factorization.

22142423132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293380 (or 293378 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

Adding to 22142423132 its reverse (23132424122), we get a palindrome (45274847254).

The spelling of 22142423132 in words is "twenty-two billion, one hundred forty-two million, four hundred twenty-three thousand, one hundred thirty-two".