22542453353021 has 16 divisors (see below), whose sum is σ = 26401401936000. Its totient is φ = 19239175325664.

The previous prime is 22542453352987. The next prime is 22542453353047. The reversal of 22542453353021 is 12035335424522.

It is not a de Polignac number, because 22542453353021 - 2¹⁸ = 22542453090877 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22542453353021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22542453353051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140953211 + ... + 141113048.

It is an arithmetic number, because the mean of its divisors is an integer number (1650087621000).

Almost surely, 2^{22542453353021} is an apocalyptic number.

It is an amenable number.

22542453353021 is a deficient number, since it is larger than the sum of its proper divisors (3858948582979).

22542453353021 is an equidigital number, since it uses as much as digits as its factorization.

22542453353021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282066513 (or 282066499 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 22542453353021 its reverse (12035335424522), we get a palindrome (34577788777543).

The spelling of 22542453353021 in words is "twenty-two trillion, five hundred forty-two billion, four hundred fifty-three million, three hundred fifty-three thousand, twenty-one".