225782526 has 8 divisors (see below), whose sum is σ = 451565064. Its totient is φ = 75260840.

The previous prime is 225782507. The next prime is 225782569. The reversal of 225782526 is 625287522.

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

225782526 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18815205 + ... + 18815216.

It is an arithmetic number, because the mean of its divisors is an integer number (56445633).

Almost surely, 2^225782526 is an apocalyptic number.

225782526 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225782526 is a wasteful number, since it uses less digits than its factorization.

225782526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37630426.

The product of its digits is 134400, while the sum is 39.

The square root of 225782526 is about 15026.0615598366. The cubic root of 225782526 is about 608.9244920283.

The spelling of 225782526 in words is "two hundred twenty-five million, seven hundred eighty-two thousand, five hundred twenty-six".