225136038 has 8 divisors (see below), whose sum is σ = 450272088. Its totient is φ = 75045344.

The previous prime is 225136027. The next prime is 225136069. The reversal of 225136038 is 830631522.

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

225136038 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225135996 and 225136014.

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, 18761331 + ... + 18761342.

It is an arithmetic number, because the mean of its divisors is an integer number (56284011).

Almost surely, 2^225136038 is an apocalyptic number.

225136038 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.

225136038 is a wasteful number, since it uses less digits than its factorization.

225136038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37522678.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 225136038 is about 15004.5339147872. The cubic root of 225136038 is about 608.3427542087.

The spelling of 225136038 in words is "two hundred twenty-five million, one hundred thirty-six thousand, thirty-eight".