225361138 has 8 divisors (see below), whose sum is σ = 338635440. Its totient is φ = 112482660.

The previous prime is 225361111. The next prime is 225361139. The reversal of 225361138 is 831163522.

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

It is not an unprimeable number, because it can be changed into a prime (225361139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97528 + ... + 99811.

It is an arithmetic number, because the mean of its divisors is an integer number (42329430).

Almost surely, 2^225361138 is an apocalyptic number.

225361138 is a deficient number, since it is larger than the sum of its proper divisors (113274302).

225361138 is a wasteful number, since it uses less digits than its factorization.

225361138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197912.

The product of its digits is 8640, while the sum is 31.

The square root of 225361138 is about 15012.0331068113. The cubic root of 225361138 is about 608.5454351327.

The spelling of 225361138 in words is "two hundred twenty-five million, three hundred sixty-one thousand, one hundred thirty-eight".