22142125434 has 64 divisors (see below), whose sum is σ = 52154282880. Its totient is φ = 6178360320.

The previous prime is 22142125427. The next prime is 22142125457. The reversal of 22142125434 is 43452124122.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319374 + ... + 382470.

It is an arithmetic number, because the mean of its divisors is an integer number (814910670).

Almost surely, 2^22142125434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22142125434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26077141440).

22142125434 is an abundant number, since it is smaller than the sum of its proper divisors (30012157446).

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

22142125434 is a wasteful number, since it uses less digits than its factorization.

22142125434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63535.

The product of its digits is 15360, while the sum is 30.

Adding to 22142125434 its reverse (43452124122), we get a palindrome (65594249556).

The spelling of 22142125434 in words is "twenty-two billion, one hundred forty-two million, one hundred twenty-five thousand, four hundred thirty-four".