224375661 has 12 divisors (see below), whose sum is σ = 324598560. Its totient is φ = 149352840.

The previous prime is 224375633. The next prime is 224375699. The reversal of 224375661 is 166573422.

224375661 is a `hidden beast` number, since 224 + 375 + 6 + 61 = 666.

It is not a de Polignac number, because 224375661 - 2⁶ = 224375597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224375461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12985 + ... + 24846.

It is an arithmetic number, because the mean of its divisors is an integer number (27049880).

Almost surely, 2^224375661 is an apocalyptic number.

It is an amenable number.

224375661 is a deficient number, since it is larger than the sum of its proper divisors (100222899).

224375661 is a wasteful number, since it uses less digits than its factorization.

224375661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38496 (or 38493 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 224375661 is about 14979.1742429281. The cubic root of 224375661 is about 607.6571071591.

The spelling of 224375661 in words is "two hundred twenty-four million, three hundred seventy-five thousand, six hundred sixty-one".