225946476 has 144 divisors (see below), whose sum is σ = 693987840. Its totient is φ = 62272800.

The previous prime is 225946471. The next prime is 225946481. The reversal of 225946476 is 674649522.

It is an interprime number because it is at equal distance from previous prime (225946471) and next prime (225946481).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225946471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 726361 + ... + 726671.

It is an arithmetic number, because the mean of its divisors is an integer number (4819360).

Almost surely, 2^225946476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225946476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346993920).

225946476 is an abundant number, since it is smaller than the sum of its proper divisors (468041364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225946476 is a wasteful number, since it uses less digits than its factorization.

225946476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 354 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 225946476 is about 15031.5160911998. The cubic root of 225946476 is about 609.0718447600.

The spelling of 225946476 in words is "two hundred twenty-five million, nine hundred forty-six thousand, four hundred seventy-six".