225690667 has 4 divisors (see below), whose sum is σ = 229390576. Its totient is φ = 221990760.

The previous prime is 225690659. The next prime is 225690677. The reversal of 225690667 is 766096522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225690667 - 2³ = 225690659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225690637) 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, 1849863 + ... + 1849984.

It is an arithmetic number, because the mean of its divisors is an integer number (57347644).

Almost surely, 2^225690667 is an apocalyptic number.

225690667 is a deficient number, since it is larger than the sum of its proper divisors (3699909).

225690667 is an equidigital number, since it uses as much as digits as its factorization.

225690667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699908.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 225690667 is about 15023.0045929568. The cubic root of 225690667 is about 608.8419010748.

The spelling of 225690667 in words is "two hundred twenty-five million, six hundred ninety thousand, six hundred sixty-seven".