2226906 has 64 divisors (see below), whose sum is σ = 5667840. Its totient is φ = 641520.

The previous prime is 2226899. The next prime is 2226911. The reversal of 2226906 is 6096222.

It is a super-2 number, since 2×2226906² = 9918220665672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2226906.

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 in 31 ways as a sum of consecutive naturals, for example, 13581 + ... + 13743.

It is an arithmetic number, because the mean of its divisors is an integer number (88560).

2^2226906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2226906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2833920).

2226906 is an abundant number, since it is smaller than the sum of its proper divisors (3440934).

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

2226906 is a wasteful number, since it uses less digits than its factorization.

2226906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2226906 is about 1492.2821449042. The cubic root of 2226906 is about 130.5872055520.

The spelling of 2226906 in words is "two million, two hundred twenty-six thousand, nine hundred six".