11229819 has 8 divisors (see below), whose sum is σ = 15624192. Its totient is φ = 7161000.

The previous prime is 11229793. The next prime is 11229847. The reversal of 11229819 is 91892211.

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

It is not a de Polignac number, because 11229819 - 2⁸ = 11229563 is a prime.

It is a super-2 number, since 2×11229819² = 252217669545522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11229819.

It is not an unprimeable number, because it can be changed into a prime (11229419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81307 + ... + 81444.

It is an arithmetic number, because the mean of its divisors is an integer number (1953024).

Almost surely, 2^11229819 is an apocalyptic number.

11229819 is a deficient number, since it is larger than the sum of its proper divisors (4394373).

11229819 is a wasteful number, since it uses less digits than its factorization.

11229819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162777.

The product of its digits is 2592, while the sum is 33.

The square root of 11229819 is about 3351.0922100115. The cubic root of 11229819 is about 223.9361730882.

The spelling of 11229819 in words is "eleven million, two hundred twenty-nine thousand, eight hundred nineteen".