2226690 has 40 divisors (see below), whose sum is σ = 5989500. Its totient is φ = 593568.

The previous prime is 2226673. The next prime is 2226701. The reversal of 2226690 is 966222.

It can be written as a sum of positive squares in 2 ways, for example, as 2047761 + 178929 = 1431^2 + 423^2 .

It is a super-2 number, since 2×2226690² = 9916296712200, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 565 + ... + 2184.

2^2226690 is an apocalyptic number.

2226690 is an abundant number, since it is smaller than the sum of its proper divisors (3762810).

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

2226690 is a wasteful number, since it uses less digits than its factorization.

2226690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768 (or 2759 counting only the distinct ones).

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

The square root of 2226690 is about 1492.2097707762. The cubic root of 2226690 is about 130.5829832890.

It can be divided in two parts, 2226 and 690, that added together give a square (2916 = 54²).

The spelling of 2226690 in words is "two million, two hundred twenty-six thousand, six hundred ninety".