225415461 has 8 divisors (see below), whose sum is σ = 318233664. Its totient is φ = 141437120.

The previous prime is 225415457. The next prime is 225415469. The reversal of 225415461 is 164514522.

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

It is a cyclic number.

It is not a de Polignac number, because 225415461 - 2² = 225415457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225415469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2209905 + ... + 2210006.

It is an arithmetic number, because the mean of its divisors is an integer number (39779208).

Almost surely, 2^225415461 is an apocalyptic number.

It is an amenable number.

225415461 is a deficient number, since it is larger than the sum of its proper divisors (92818203).

225415461 is a wasteful number, since it uses less digits than its factorization.

225415461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419931.

The product of its digits is 9600, while the sum is 30.

The square root of 225415461 is about 15013.8423130123. The cubic root of 225415461 is about 608.5943275580.

Adding to 225415461 its reverse (164514522), we get a palindrome (389929983).

The spelling of 225415461 in words is "two hundred twenty-five million, four hundred fifteen thousand, four hundred sixty-one".