22541144542 has 24 divisors (see below), whose sum is σ = 40074119496. Its totient is φ = 9478214928.

The previous prime is 22541144537. The next prime is 22541144567. The reversal of 22541144542 is 24544114522.

It is a junction number, because it is equal to n+sod(n) for n = 22541144498 and 22541144507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2164728 + ... + 2175115.

It is an arithmetic number, because the mean of its divisors is an integer number (1669754979).

Almost surely, 2^22541144542 is an apocalyptic number.

22541144542 is a deficient number, since it is larger than the sum of its proper divisors (17532974954).

22541144542 is a wasteful number, since it uses less digits than its factorization.

22541144542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339912 (or 4339905 counting only the distinct ones).

The product of its digits is 51200, while the sum is 34.

The spelling of 22541144542 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-four thousand, five hundred forty-two".