11223157 has 8 divisors (see below), whose sum is σ = 12451680. Its totient is φ = 10029360.

The previous prime is 11223151. The next prime is 11223161. The reversal of 11223157 is 75132211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11223157 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 (11223151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7998 + ... + 9295.

It is an arithmetic number, because the mean of its divisors is an integer number (1556460).

Almost surely, 2^11223157 is an apocalyptic number.

It is an amenable number.

11223157 is a deficient number, since it is larger than the sum of its proper divisors (1228523).

11223157 is a wasteful number, since it uses less digits than its factorization.

11223157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17363.

The product of its digits is 420, while the sum is 22.

The square root of 11223157 is about 3350.0980582664. The cubic root of 11223157 is about 223.8918815493.

Adding to 11223157 its reverse (75132211), we get a palindrome (86355368).

The spelling of 11223157 in words is "eleven million, two hundred twenty-three thousand, one hundred fifty-seven".