22531010442 has 16 divisors (see below), whose sum is σ = 45288465600. Its totient is φ = 7472596032.

The previous prime is 22531010423. The next prime is 22531010443. The reversal of 22531010442 is 24401013522.

It is not an unprimeable number, because it can be changed into a prime (22531010443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9433903 + ... + 9436290.

It is an arithmetic number, because the mean of its divisors is an integer number (2830529100).

Almost surely, 2^22531010442 is an apocalyptic number.

22531010442 is an abundant number, since it is smaller than the sum of its proper divisors (22757455158).

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

22531010442 is a wasteful number, since it uses less digits than its factorization.

22531010442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18870397.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22531010442 its reverse (24401013522), we get a palindrome (46932023964).

The spelling of 22531010442 in words is "twenty-two billion, five hundred thirty-one million, ten thousand, four hundred forty-two".