11228899 has 8 divisors (see below), whose sum is σ = 12782592. Its totient is φ = 9764040.

The previous prime is 11228897. The next prime is 11228929. The reversal of 11228899 is 99882211.

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

It is not a de Polignac number, because 11228899 - 2¹ = 11228897 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11228897) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21939 + ... + 22444.

It is an arithmetic number, because the mean of its divisors is an integer number (1597824).

Almost surely, 2^11228899 is an apocalyptic number.

11228899 is a deficient number, since it is larger than the sum of its proper divisors (1553693).

11228899 is a wasteful number, since it uses less digits than its factorization.

11228899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44417.

The product of its digits is 20736, while the sum is 40.

The square root of 11228899 is about 3350.9549385213. The cubic root of 11228899 is about 223.9300576169.

The spelling of 11228899 in words is "eleven million, two hundred twenty-eight thousand, eight hundred ninety-nine".