11223345 has 32 divisors (see below), whose sum is σ = 20770560. Its totient is φ = 5068800.

The previous prime is 11223341. The next prime is 11223347. The reversal of 11223345 is 54332211.

It is not a de Polignac number, because 11223345 - 2² = 11223341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11223341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8745 + ... + 9945.

It is an arithmetic number, because the mean of its divisors is an integer number (649080).

Almost surely, 2^11223345 is an apocalyptic number.

11223345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11223345 is a deficient number, since it is larger than the sum of its proper divisors (9547215).

11223345 is a wasteful number, since it uses less digits than its factorization.

11223345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305.

The product of its digits is 720, while the sum is 21.

The square root of 11223345 is about 3350.1261170290. The cubic root of 11223345 is about 223.8931316859.

Adding to 11223345 its reverse (54332211), we get a palindrome (65555556).

The spelling of 11223345 in words is "eleven million, two hundred twenty-three thousand, three hundred forty-five".