225629611 has 4 divisors (see below), whose sum is σ = 225680400. Its totient is φ = 225578824.

The previous prime is 225629603. The next prime is 225629647. The reversal of 225629611 is 116926522.

It is a happy number.

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 225629611 - 2³ = 225629603 is a prime.

It is a super-2 number, since 2×225629611² = 101817442720022642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225629681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18016 + ... + 27853.

It is an arithmetic number, because the mean of its divisors is an integer number (56420100).

Almost surely, 2^225629611 is an apocalyptic number.

225629611 is a deficient number, since it is larger than the sum of its proper divisors (50789).

225629611 is an equidigital number, since it uses as much as digits as its factorization.

225629611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50788.

The product of its digits is 12960, while the sum is 34.

The square root of 225629611 is about 15020.9723719871. The cubic root of 225629611 is about 608.7869928764.

The spelling of 225629611 in words is "two hundred twenty-five million, six hundred twenty-nine thousand, six hundred eleven".