2235530520225 has 72 divisors (see below), whose sum is σ = 4184082014112. Its totient is φ = 1183181126400.

The previous prime is 2235530520211. The next prime is 2235530520229. The reversal of 2235530520225 is 5220250355322.

2235530520225 is a `hidden beast` number, since 2 + 2 + 355 + 30 + 52 + 0 + 225 = 666.

It is not a de Polignac number, because 2235530520225 - 2²⁹ = 2234993649313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2235530520225.

It is not an unprimeable number, because it can be changed into a prime (2235530520229) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 608712 + ... + 2200361.

It is an arithmetic number, because the mean of its divisors is an integer number (58112250196).

Almost surely, 2^{2235530520225} is an apocalyptic number.

2235530520225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2235530520225 is a deficient number, since it is larger than the sum of its proper divisors (1948551493887).

2235530520225 is a wasteful number, since it uses less digits than its factorization.

2235530520225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809229 (or 2809212 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

Adding to 2235530520225 its reverse (5220250355322), we get a palindrome (7455780875547).

The spelling of 2235530520225 in words is "two trillion, two hundred thirty-five billion, five hundred thirty million, five hundred twenty thousand, two hundred twenty-five".