222049 has 4 divisors (see below), whose sum is σ = 223236. Its totient is φ = 220864.
The previous prime is 222043. The next prime is 222059. The reversal of 222049 is 940222.
It is a happy number.
222049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 67600 + 154449 = 260^2 + 393^2 .
It is a cyclic number.
It is not a de Polignac number, because 222049 - 23 = 222041 is a prime.
It is a Duffinian number.
222049 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (222041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244 + ... + 709.
It is an arithmetic number, because the mean of its divisors is an integer number (55809).
2222049 is an apocalyptic number.
It is an amenable number.
222049 is a deficient number, since it is larger than the sum of its proper divisors (1187).
222049 is an equidigital number, since it uses as much as digits as its factorization.
222049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1186.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 222049 is about 471.2207550607. The cubic root of 222049 is about 60.5549440533.
The spelling of 222049 in words is "two hundred twenty-two thousand, forty-nine".
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