226551 has 16 divisors (see below), whose sum is σ = 336224. Its totient is φ = 134784.
The previous prime is 226549. The next prime is 226553. The reversal of 226551 is 155622.
It is an interprime number because it is at equal distance from previous prime (226549) and next prime (226553).
It is not a de Polignac number, because 226551 - 21 = 226549 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (226553) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1365 + ... + 1521.
It is an arithmetic number, because the mean of its divisors is an integer number (21014).
2226551 is an apocalyptic number.
226551 is a deficient number, since it is larger than the sum of its proper divisors (109673).
226551 is a wasteful number, since it uses less digits than its factorization.
226551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 210.
The product of its digits is 600, while the sum is 21.
The square root of 226551 is about 475.9737387714. The cubic root of 226551 is about 60.9614555387.
It can be divided in two parts, 226 and 551, that added together give a palindrome (777).
The spelling of 226551 in words is "two hundred twenty-six thousand, five hundred fifty-one".
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