222838 has 16 divisors (see below), whose sum is σ = 417024. Its totient is φ = 86760.
The previous prime is 222823. The next prime is 222839. The reversal of 222838 is 838222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222839) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570 + ... + 877.
It is an arithmetic number, because the mean of its divisors is an integer number (26064).
2222838 is an apocalyptic number.
222838 is a deficient number, since it is larger than the sum of its proper divisors (194186).
222838 is a wasteful number, since it uses less digits than its factorization.
222838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1467.
The product of its digits is 1536, while the sum is 25.
The square root of 222838 is about 472.0571999239. The cubic root of 222838 is about 60.6265819547.
The spelling of 222838 in words is "two hundred twenty-two thousand, eight hundred thirty-eight".
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