2213523443225 has 96 divisors (see below), whose sum is σ = 2884015411200. Its totient is φ = 1683808819200.

The previous prime is 2213523443213. The next prime is 2213523443233. The reversal of 2213523443225 is 5223443253122.

It is a happy number.

It is not a de Polignac number, because 2213523443225 - 2⁶ = 2213523443161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2638287356 + ... + 2638288194.

It is an arithmetic number, because the mean of its divisors is an integer number (30041827200).

Almost surely, 2^{2213523443225} is an apocalyptic number.

2213523443225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2213523443225 is a deficient number, since it is larger than the sum of its proper divisors (670491967975).

2213523443225 is a wasteful number, since it uses less digits than its factorization.

2213523443225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1318 counting only the distinct ones).

The product of its digits is 345600, while the sum is 38.

Adding to 2213523443225 its reverse (5223443253122), we get a palindrome (7436966696347).

The spelling of 2213523443225 in words is "two trillion, two hundred thirteen billion, five hundred twenty-three million, four hundred forty-three thousand, two hundred twenty-five".