225351232354 has 4 divisors (see below), whose sum is σ = 338026848534. Its totient is φ = 112675616176.

The previous prime is 225351232333. The next prime is 225351232397. The reversal of 225351232354 is 453232153522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 453232153522 = 2 ⋅226616076761.

It can be written as a sum of positive squares in only one way, i.e., 224792619129 + 558613225 = 474123^2 + 23635^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56337808087 + ... + 56337808090.

Almost surely, 2^225351232354 is an apocalyptic number.

225351232354 is a deficient number, since it is larger than the sum of its proper divisors (112675616180).

225351232354 is a wasteful number, since it uses less digits than its factorization.

225351232354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112675616179.

The product of its digits is 216000, while the sum is 37.

Adding to 225351232354 its reverse (453232153522), we get a palindrome (678583385876).

The spelling of 225351232354 in words is "two hundred twenty-five billion, three hundred fifty-one million, two hundred thirty-two thousand, three hundred fifty-four".