225581307 has 8 divisors (see below), whose sum is σ = 343742976. Its totient is φ = 128903592.

The previous prime is 225581287. The next prime is 225581329. The reversal of 225581307 is 703185522.

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

It is not a de Polignac number, because 225581307 - 2¹⁵ = 225548539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225581387) 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, 5370963 + ... + 5371004.

It is an arithmetic number, because the mean of its divisors is an integer number (42967872).

Almost surely, 2^225581307 is an apocalyptic number.

225581307 is a deficient number, since it is larger than the sum of its proper divisors (118161669).

225581307 is a wasteful number, since it uses less digits than its factorization.

225581307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10741977.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 225581307 is about 15019.3644006662. The cubic root of 225581307 is about 608.7435456451.

The spelling of 225581307 in words is "two hundred twenty-five million, five hundred eighty-one thousand, three hundred seven".