2223346 has 4 divisors (see below), whose sum is σ = 3335022. Its totient is φ = 1111672.

The previous prime is 2223329. The next prime is 2223371. The reversal of 2223346 is 6433222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6433222 = 2 ⋅3216611.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 192721 = 1425^2 + 439^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁵ + 2²¹ + 3² + 3⁹ + 4⁸ + 6 .

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555835 + ... + 555838.

2^2223346 is an apocalyptic number.

2223346 is a deficient number, since it is larger than the sum of its proper divisors (1111676).

2223346 is a wasteful number, since it uses less digits than its factorization.

2223346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111675.

The product of its digits is 1728, while the sum is 22.

The square root of 2223346 is about 1491.0888638844. The cubic root of 2223346 is about 130.5175815383.

Adding to 2223346 its reverse (6433222), we get a palindrome (8656568).

The spelling of 2223346 in words is "two million, two hundred twenty-three thousand, three hundred forty-six".