225046709 has 4 divisors (see below), whose sum is σ = 228861120. Its totient is φ = 221232300.

The previous prime is 225046681. The next prime is 225046729. The reversal of 225046709 is 907640522.

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: 907640522 = 2 ⋅453820261.

It is not a de Polignac number, because 225046709 - 2¹⁶ = 224981173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225046729) 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, 1907117 + ... + 1907234.

It is an arithmetic number, because the mean of its divisors is an integer number (57215280).

Almost surely, 2^225046709 is an apocalyptic number.

It is an amenable number.

225046709 is a deficient number, since it is larger than the sum of its proper divisors (3814411).

225046709 is an equidigital number, since it uses as much as digits as its factorization.

225046709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814410.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 225046709 is about 15001.5568858702. The cubic root of 225046709 is about 608.2622845820.

The spelling of 225046709 in words is "two hundred twenty-five million, forty-six thousand, seven hundred nine".