2086226 has 4 divisors (see below), whose sum is σ = 3129342.
Its totient is φ = 1043112.
The previous prime is 2086213. The next prime is 2086243. The reversal of 2086226 is 6226802.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6226802 = 2 ⋅3113401.
It can be written as a sum of positive squares in only one way, i.e., 1525225 + 561001 = 1235^2 + 749^2
It is a junction number, because it is equal to n+sod(n) for n = 2086195 and 2086204.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 521555 + ... + 521558.
22086226 is an apocalyptic number.
2086226 is a deficient number, since it is larger than the sum of its proper divisors (1043116).
2086226 is a wasteful number, since it uses less digits than its factorization.
2086226 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1043115.
The product of its (nonzero) digits is 2304, while the sum is 26.
The square root of 2086226 is about 1444.3773745112.
The cubic root of 2086226 is about 127.7773228017.
Note that the first 3 decimals are identical.
The spelling of 2086226 in words is "two million, eighty-six thousand, two hundred twenty-six".