11223213406 has 4 divisors (see below), whose sum is σ = 16834820112. Its totient is φ = 5611606702.

The previous prime is 11223213403. The next prime is 11223213413. The reversal of 11223213406 is 60431232211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223213401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805803350 + ... + 2805803353.

It is an arithmetic number, because the mean of its divisors is an integer number (4208705028).

Almost surely, 2^11223213406 is an apocalyptic number.

11223213406 is a deficient number, since it is larger than the sum of its proper divisors (5611606706).

11223213406 is an equidigital number, since it uses as much as digits as its factorization.

11223213406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611606705.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11223213406 its reverse (60431232211), we get a palindrome (71654445617).

The spelling of 11223213406 in words is "eleven billion, two hundred twenty-three million, two hundred thirteen thousand, four hundred six".