22542244224521 has 8 divisors (see below), whose sum is σ = 26310704505600. Its totient is φ = 18910818862848.

The previous prime is 22542244224503. The next prime is 22542244224541. The reversal of 22542244224521 is 12542244224522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22542244224521 - 2¹⁰ = 22542244223497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22542244224541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34258729496 + ... + 34258730153.

It is an arithmetic number, because the mean of its divisors is an integer number (3288838063200).

Almost surely, 2^{22542244224521} is an apocalyptic number.

It is an amenable number.

22542244224521 is a deficient number, since it is larger than the sum of its proper divisors (3768460281079).

22542244224521 is an equidigital number, since it uses as much as digits as its factorization.

22542244224521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68517459703.

The product of its digits is 819200, while the sum is 41.

Subtracting from 22542244224521 its reverse (12542244224522), we obtain a palindrome (9999999999999).

The spelling of 22542244224521 in words is "twenty-two trillion, five hundred forty-two billion, two hundred forty-four million, two hundred twenty-four thousand, five hundred twenty-one".