225144342235 has 16 divisors (see below), whose sum is σ = 282967940160. Its totient is φ = 171643880320.

The previous prime is 225144342223. The next prime is 225144342307. The reversal of 225144342235 is 532243441522.

It is a happy number.

It is not a de Polignac number, because 225144342235 - 2¹⁹ = 225143817947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225144342194 and 225144342203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3608056 + ... + 3669925.

It is an arithmetic number, because the mean of its divisors is an integer number (17685496260).

Almost surely, 2^225144342235 is an apocalyptic number.

225144342235 is a deficient number, since it is larger than the sum of its proper divisors (57823597925).

225144342235 is a wasteful number, since it uses less digits than its factorization.

225144342235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7278278.

The product of its digits is 230400, while the sum is 37.

Adding to 225144342235 its reverse (532243441522), we get a palindrome (757387783757).

The spelling of 225144342235 in words is "two hundred twenty-five billion, one hundred forty-four million, three hundred forty-two thousand, two hundred thirty-five".