225851095 has 4 divisors (see below), whose sum is σ = 271021320. Its totient is φ = 180680872.

The previous prime is 225851077. The next prime is 225851107. The reversal of 225851095 is 590158522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 590158522 = 2 ⋅295079261.

It is a cyclic number.

It is not a de Polignac number, because 225851095 - 2⁵ = 225851063 is a prime.

It is a super-2 number, since 2×225851095² = 102017434225398050, which contains 22 as substring.

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, 22585105 + ... + 22585114.

It is an arithmetic number, because the mean of its divisors is an integer number (67755330).

Almost surely, 2^225851095 is an apocalyptic number.

225851095 is a deficient number, since it is larger than the sum of its proper divisors (45170225).

225851095 is an equidigital number, since it uses as much as digits as its factorization.

225851095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45170224.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 225851095 is about 15028.3430557064. The cubic root of 225851095 is about 608.9861282086.

The spelling of 225851095 in words is "two hundred twenty-five million, eight hundred fifty-one thousand, ninety-five".