225617677 has 4 divisors (see below), whose sum is σ = 226352896. Its totient is φ = 224882460.

The previous prime is 225617671. The next prime is 225617713. The reversal of 225617677 is 776716522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 776716522 = 2 ⋅388358261.

It is a cyclic number.

It is not a de Polignac number, because 225617677 - 2²³ = 217229069 is a prime.

It is a super-3 number, since 3×225617677³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225617671) 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, 367149 + ... + 367762.

It is an arithmetic number, because the mean of its divisors is an integer number (56588224).

Almost surely, 2^225617677 is an apocalyptic number.

It is an amenable number.

225617677 is a deficient number, since it is larger than the sum of its proper divisors (735219).

225617677 is an equidigital number, since it uses as much as digits as its factorization.

225617677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735218.

The product of its digits is 246960, while the sum is 43.

The square root of 225617677 is about 15020.5751221450. The cubic root of 225617677 is about 608.7762593678.

The spelling of 225617677 in words is "two hundred twenty-five million, six hundred seventeen thousand, six hundred seventy-seven".