22521334522245 has 64 divisors (see below), whose sum is σ = 38874166990848. Its totient is φ = 11067964704000.

The previous prime is 22521334522223. The next prime is 22521334522261. The reversal of 22521334522245 is 54222543312522.

It is not a de Polignac number, because 22521334522245 - 2⁷ = 22521334522117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22521334522197 and 22521334522206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259505710 + ... + 259592480.

It is an arithmetic number, because the mean of its divisors is an integer number (607408859232).

Almost surely, 2^{22521334522245} is an apocalyptic number.

It is an amenable number.

22521334522245 is a deficient number, since it is larger than the sum of its proper divisors (16352832468603).

22521334522245 is a wasteful number, since it uses less digits than its factorization.

22521334522245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89114.

The product of its digits is 1152000, while the sum is 42.

Adding to 22521334522245 its reverse (54222543312522), we get a palindrome (76743877834767).

The spelling of 22521334522245 in words is "twenty-two trillion, five hundred twenty-one billion, three hundred thirty-four million, five hundred twenty-two thousand, two hundred forty-five".