225736401 has 8 divisors (see below), whose sum is σ = 328343904. Its totient is φ = 136809920.

The previous prime is 225736361. The next prime is 225736403. The reversal of 225736401 is 104637522.

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 225736401 - 2⁶ = 225736337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225736403) 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, 3420216 + ... + 3420281.

It is an arithmetic number, because the mean of its divisors is an integer number (41042988).

Almost surely, 2^225736401 is an apocalyptic number.

It is an amenable number.

225736401 is a deficient number, since it is larger than the sum of its proper divisors (102607503).

225736401 is a wasteful number, since it uses less digits than its factorization.

225736401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6840511.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 225736401 is about 15024.5266481177. The cubic root of 225736401 is about 608.8830235771.

The spelling of 225736401 in words is "two hundred twenty-five million, seven hundred thirty-six thousand, four hundred one".