224818893 has 12 divisors (see below), whose sum is σ = 349718460. Its totient is φ = 138350016.

The previous prime is 224818889. The next prime is 224818901. The reversal of 224818893 is 398818422.

224818893 is a `hidden beast` number, since 2 + 2 + 481 + 88 + 93 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59259204 + 165559689 = 7698^2 + 12867^2 .

It is not a de Polignac number, because 224818893 - 2² = 224818889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224818843) 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 11 ways as a sum of consecutive naturals, for example, 960648 + ... + 960881.

It is an arithmetic number, because the mean of its divisors is an integer number (29143205).

Almost surely, 2^224818893 is an apocalyptic number.

It is an amenable number.

224818893 is a deficient number, since it is larger than the sum of its proper divisors (124899567).

224818893 is a wasteful number, since it uses less digits than its factorization.

224818893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921548 (or 1921545 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 224818893 is about 14993.9618847055. The cubic root of 224818893 is about 608.0569662186.

The spelling of 224818893 in words is "two hundred twenty-four million, eight hundred eighteen thousand, eight hundred ninety-three".