224329873 has 2 divisors, whose sum is σ = 224329874. Its totient is φ = 224329872.

The previous prime is 224329849. The next prime is 224329913. The reversal of 224329873 is 378923422.

It is an a-pointer prime, because the next prime (224329913) can be obtained adding 224329873 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123387664 + 100942209 = 11108^2 + 10047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-224329873 is a prime.

It is a super-2 number, since 2×224329873² = 100647783840392258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (224323873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112164936 + 112164937.

It is an arithmetic number, because the mean of its divisors is an integer number (112164937).

Almost surely, 2^224329873 is an apocalyptic number.

It is an amenable number.

224329873 is a deficient number, since it is larger than the sum of its proper divisors (1).

224329873 is an equidigital number, since it uses as much as digits as its factorization.

224329873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 40.

The square root of 224329873 is about 14977.6457762894. The cubic root of 224329873 is about 607.6157697931.

The spelling of 224329873 in words is "two hundred twenty-four million, three hundred twenty-nine thousand, eight hundred seventy-three".