2120226 has 16 divisors (see below), whose sum is σ = 4285344. Its totient is φ = 699264.

The previous prime is 2120221. The next prime is 2120227. The reversal of 2120226 is 6220212.

It is not an unprimeable number, because it can be changed into a prime (2120221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240 + ... + 2403.

It is an arithmetic number, because the mean of its divisors is an integer number (267834).

2^2120226 is an apocalyptic number.

2120226 is an abundant number, since it is smaller than the sum of its proper divisors (2165118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120226 is a wasteful number, since it uses less digits than its factorization.

2120226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2120226 is about 1456.0995845065. The cubic root of 2120226 is about 128.4677304951.

Adding to 2120226 its reverse (6220212), we get a palindrome (8340438).

It can be divided in two parts, 2120 and 226, that added together give a triangular number (2346 = T₆₈).

The spelling of 2120226 in words is "two million, one hundred twenty thousand, two hundred twenty-six".