242532221225 has 48 divisors (see below), whose sum is σ = 344647095936. Its totient is φ = 165851712000.

The previous prime is 242532221179. The next prime is 242532221249. The reversal of 242532221225 is 522122235242.

It is not a de Polignac number, because 242532221225 - 2⁸ = 242532220969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242532221191 and 242532221200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175620035 + ... + 175621415.

It is an arithmetic number, because the mean of its divisors is an integer number (7180147832).

Almost surely, 2^242532221225 is an apocalyptic number.

242532221225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242532221225 is a deficient number, since it is larger than the sum of its proper divisors (102114874711).

242532221225 is a wasteful number, since it uses less digits than its factorization.

242532221225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426 (or 3421 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

Adding to 242532221225 its reverse (522122235242), we get a palindrome (764654456467).

The spelling of 242532221225 in words is "two hundred forty-two billion, five hundred thirty-two million, two hundred twenty-one thousand, two hundred twenty-five".