224625251 has 4 divisors (see below), whose sum is σ = 226241400. Its totient is φ = 223009104.

The previous prime is 224625229. The next prime is 224625257. The reversal of 224625251 is 152526422.

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 224625251 - 2¹⁸ = 224363107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224625257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807866 + ... + 808143.

It is an arithmetic number, because the mean of its divisors is an integer number (56560350).

Almost surely, 2^224625251 is an apocalyptic number.

224625251 is a deficient number, since it is larger than the sum of its proper divisors (1616149).

224625251 is a wasteful number, since it uses less digits than its factorization.

224625251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616148.

The product of its digits is 9600, while the sum is 29.

The square root of 224625251 is about 14987.5031609671. The cubic root of 224625251 is about 607.8823379696.

The spelling of 224625251 in words is "two hundred twenty-four million, six hundred twenty-five thousand, two hundred fifty-one".