224131705 has 32 divisors (see below), whose sum is σ = 318947328. Its totient is φ = 147960000.

The previous prime is 224131703. The next prime is 224131717. The reversal of 224131705 is 507131422.

It is a happy number.

It is not a de Polignac number, because 224131705 - 2¹ = 224131703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224131705.

It is not an unprimeable number, because it can be changed into a prime (224131703) 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 31 ways as a sum of consecutive naturals, for example, 271924 + ... + 272746.

It is an arithmetic number, because the mean of its divisors is an integer number (9967104).

Almost surely, 2^224131705 is an apocalyptic number.

It is an amenable number.

224131705 is a deficient number, since it is larger than the sum of its proper divisors (94815623).

224131705 is a wasteful number, since it uses less digits than its factorization.

224131705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 224131705 is about 14971.0288557600. The cubic root of 224131705 is about 607.4367990160.

The spelling of 224131705 in words is "two hundred twenty-four million, one hundred thirty-one thousand, seven hundred five".