2223626 has 16 divisors (see below), whose sum is σ = 3465600. Its totient is φ = 1069200.

The previous prime is 2223623. The next prime is 2223631. The reversal of 2223626 is 6263222.

2223626 = T₉₄ + T₉₅ + ... + T₂₄₁.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2223623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11075 + ... + 11273.

It is an arithmetic number, because the mean of its divisors is an integer number (216600).

2^2223626 is an apocalyptic number.

2223626 is a deficient number, since it is larger than the sum of its proper divisors (1241974).

2223626 is a wasteful number, since it uses less digits than its factorization.

2223626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its digits is 1728, while the sum is 23.

The square root of 2223626 is about 1491.1827520462. The cubic root of 2223626 is about 130.5230602760.

Adding to 2223626 its reverse (6263222), we get a palindrome (8486848).

The spelling of 2223626 in words is "two million, two hundred twenty-three thousand, six hundred twenty-six".