224171252 has 6 divisors (see below), whose sum is σ = 392299698. Its totient is φ = 112085624.

The previous prime is 224171249. The next prime is 224171257. The reversal of 224171252 is 252171422.

It can be written as a sum of positive squares in only one way, i.e., 223981156 + 190096 = 14966^2 + 436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224171257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28021403 + ... + 28021410.

It is an arithmetic number, because the mean of its divisors is an integer number (65383283).

Almost surely, 2^224171252 is an apocalyptic number.

It is an amenable number.

224171252 is a deficient number, since it is larger than the sum of its proper divisors (168128446).

224171252 is a wasteful number, since it uses less digits than its factorization.

224171252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56042817 (or 56042815 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 224171252 is about 14972.3495818125. The cubic root of 224171252 is about 607.4725233837.

The spelling of 224171252 in words is "two hundred twenty-four million, one hundred seventy-one thousand, two hundred fifty-two".