225691704 has 128 divisors (see below), whose sum is σ = 728524800. Its totient is φ = 63400320.

The previous prime is 225691699. The next prime is 225691723. The reversal of 225691704 is 407196522.

225691704 is a `hidden beast` number, since 22 + 569 + 1 + 70 + 4 = 666.

225691704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91009 + ... + 93455.

It is an arithmetic number, because the mean of its divisors is an integer number (5691600).

Almost surely, 2^225691704 is an apocalyptic number.

225691704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225691704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364262400).

225691704 is an abundant number, since it is smaller than the sum of its proper divisors (502833096).

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

225691704 is a wasteful number, since it uses less digits than its factorization.

225691704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530 (or 2520 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 225691704 is about 15023.0391066522. The cubic root of 225691704 is about 608.8428335725.

The spelling of 225691704 in words is "two hundred twenty-five million, six hundred ninety-one thousand, seven hundred four".