224151869 has 2 divisors, whose sum is σ = 224151870. Its totient is φ = 224151868.

The previous prime is 224151857. The next prime is 224151877. The reversal of 224151869 is 968151422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217208644 + 6943225 = 14738^2 + 2635^2 .

It is a cyclic number.

It is not a de Polignac number, because 224151869 - 2⁴ = 224151853 is a prime.

It is a super-2 number, since 2×224151869² = 100488120752386322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224151269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112075934 + 112075935.

It is an arithmetic number, because the mean of its divisors is an integer number (112075935).

Almost surely, 2^224151869 is an apocalyptic number.

It is an amenable number.

224151869 is a deficient number, since it is larger than the sum of its proper divisors (1).

224151869 is an equidigital number, since it uses as much as digits as its factorization.

224151869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 224151869 is about 14971.7022746246. The cubic root of 224151869 is about 607.4550144790.

The spelling of 224151869 in words is "two hundred twenty-four million, one hundred fifty-one thousand, eight hundred sixty-nine".