225724252342 has 8 divisors (see below), whose sum is σ = 339048299376. Its totient is φ = 112708152552.

The previous prime is 225724252339. The next prime is 225724252387. The reversal of 225724252342 is 243252427522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 225724252295 and 225724252304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76984978 + ... + 76987909.

It is an arithmetic number, because the mean of its divisors is an integer number (42381037422).

Almost surely, 2^225724252342 is an apocalyptic number.

225724252342 is a deficient number, since it is larger than the sum of its proper divisors (113324047034).

225724252342 is a wasteful number, since it uses less digits than its factorization.

225724252342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153973622.

The product of its digits is 537600, while the sum is 40.

Adding to 225724252342 its reverse (243252427522), we get a palindrome (468976679864).

The spelling of 225724252342 in words is "two hundred twenty-five billion, seven hundred twenty-four million, two hundred fifty-two thousand, three hundred forty-two".