224220149 has 2 divisors, whose sum is σ = 224220150. Its totient is φ = 224220148.

The previous prime is 224220133. The next prime is 224220163. The reversal of 224220149 is 941022422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219247249 + 4972900 = 14807^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 224220149 - 2⁴ = 224220133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224220049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112110074 + 112110075.

It is an arithmetic number, because the mean of its divisors is an integer number (112110075).

Almost surely, 2^224220149 is an apocalyptic number.

It is an amenable number.

224220149 is a deficient number, since it is larger than the sum of its proper divisors (1).

224220149 is an equidigital number, since it uses as much as digits as its factorization.

224220149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 224220149 is about 14973.9824028212. The cubic root of 224220149 is about 607.5166881674.

The spelling of 224220149 in words is "two hundred twenty-four million, two hundred twenty thousand, one hundred forty-nine".