11002223 has 4 divisors (see below), whose sum is σ = 11381640. Its totient is φ = 10622808.

The previous prime is 11002219. The next prime is 11002249. The reversal of 11002223 is 32220011.

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: 32220011 = 157 ⋅205223.

It is a cyclic number.

It is not a de Polignac number, because 11002223 - 2² = 11002219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002423) 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, 189665 + ... + 189722.

It is an arithmetic number, because the mean of its divisors is an integer number (2845410).

Almost surely, 2^11002223 is an apocalyptic number.

11002223 is a deficient number, since it is larger than the sum of its proper divisors (379417).

11002223 is an equidigital number, since it uses as much as digits as its factorization.

11002223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379416.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 11002223 is about 3316.9599032849. The cubic root of 11002223 is about 222.4129895864.

Adding to 11002223 its reverse (32220011), we get a palindrome (43222234).

The spelling of 11002223 in words is "eleven million, two thousand, two hundred twenty-three".