22531033542 has 32 divisors (see below), whose sum is σ = 47030434560. Its totient is φ = 7182410400.

The previous prime is 22531033529. The next prime is 22531033543. The reversal of 22531033542 is 24533013522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22531033543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877584 + ... + 902892.

It is an arithmetic number, because the mean of its divisors is an integer number (1469701080).

Almost surely, 2^22531033542 is an apocalyptic number.

22531033542 is an abundant number, since it is smaller than the sum of its proper divisors (24499401018).

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

22531033542 is a wasteful number, since it uses less digits than its factorization.

22531033542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31788.

The product of its (nonzero) digits is 21600, while the sum is 30.

It can be divided in two parts, 225310 and 33542, that added together give a palindrome (258852).

The spelling of 22531033542 in words is "twenty-two billion, five hundred thirty-one million, thirty-three thousand, five hundred forty-two".