224303381 has 2 divisors, whose sum is σ = 224303382. Its totient is φ = 224303380.

The previous prime is 224303363. The next prime is 224303393. The reversal of 224303381 is 183303422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208542481 + 15760900 = 14441^2 + 3970^2 .

It is a cyclic number.

It is not a de Polignac number, because 224303381 - 2¹⁰ = 224302357 is a prime.

It is a super-2 number, since 2×224303381² = 100624013456062322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 224303381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224303311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112151690 + 112151691.

It is an arithmetic number, because the mean of its divisors is an integer number (112151691).

Almost surely, 2^224303381 is an apocalyptic number.

It is an amenable number.

224303381 is a deficient number, since it is larger than the sum of its proper divisors (1).

224303381 is an equidigital number, since it uses as much as digits as its factorization.

224303381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 224303381 is about 14976.7613655289. The cubic root of 224303381 is about 607.5918502701.

The spelling of 224303381 in words is "two hundred twenty-four million, three hundred three thousand, three hundred eighty-one".