2091226 has 8 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 1042908.

The previous prime is 2091211. The next prime is 2091227. The reversal of 2091226 is 6221902.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 2091197 and 2091206.

It is not an unprimeable number, because it can be changed into a prime (2091227) 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, 186 + ... + 2053.

It is an arithmetic number, because the mean of its divisors is an integer number (393120).

2^2091226 is an apocalyptic number.

2091226 is a deficient number, since it is larger than the sum of its proper divisors (1053734).

2091226 is a wasteful number, since it uses less digits than its factorization.

2091226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2091226 is about 1446.1071882817. The cubic root of 2091226 is about 127.8793214813.

The spelling of 2091226 in words is "two million, ninety-one thousand, two hundred twenty-six".