225500446 has 8 divisors (see below), whose sum is σ = 338982624. Its totient is φ = 112506240.

The previous prime is 225500423. The next prime is 225500449. The reversal of 225500446 is 644005522.

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

It is a super-2 number, since 2×225500446² = 101700902292397832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225500449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120835 + ... + 122686.

It is an arithmetic number, because the mean of its divisors is an integer number (42372828).

Almost surely, 2^225500446 is an apocalyptic number.

225500446 is a deficient number, since it is larger than the sum of its proper divisors (113482178).

225500446 is a wasteful number, since it uses less digits than its factorization.

225500446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243986.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 225500446 is about 15016.6722678495. The cubic root of 225500446 is about 608.6708010027.

Adding to 225500446 its reverse (644005522), we get a palindrome (869505968).

The spelling of 225500446 in words is "two hundred twenty-five million, five hundred thousand, four hundred forty-six".