22241520305542 has 16 divisors (see below), whose sum is σ = 33625412739072. Its totient is φ = 11033051669640.

The previous prime is 22241520305513. The next prime is 22241520305561. The reversal of 22241520305542 is 24550302514222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20544867 + ... + 21600337.

It is an arithmetic number, because the mean of its divisors is an integer number (2101588296192).

Almost surely, 2^{22241520305542} is an apocalyptic number.

22241520305542 is a deficient number, since it is larger than the sum of its proper divisors (11383892433530).

22241520305542 is a wasteful number, since it uses less digits than its factorization.

22241520305542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138563.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 22241520305542 its reverse (24550302514222), we get a palindrome (46791822819764).

The spelling of 22241520305542 in words is "twenty-two trillion, two hundred forty-one billion, five hundred twenty million, three hundred five thousand, five hundred forty-two".