11229999 has 16 divisors (see below), whose sum is σ = 16568064. Its totient is φ = 6708800.

The previous prime is 11229973. The next prime is 11230031. The reversal of 11229999 is 99992211.

It is a cyclic number.

It is not a de Polignac number, because 11229999 - 2¹⁶ = 11164463 is a prime.

It is a super-2 number, since 2×11229999² = 252225755080002, which contains 22 as substring.

11229999 is a modest number, since divided by 9999 gives 1122 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11229999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11229599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54 + ... + 4739.

It is an arithmetic number, because the mean of its divisors is an integer number (1035504).

Almost surely, 2^11229999 is an apocalyptic number.

11229999 is a deficient number, since it is larger than the sum of its proper divisors (5338065).

11229999 is a wasteful number, since it uses less digits than its factorization.

11229999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878.

The product of its digits is 26244, while the sum is 42.

The square root of 11229999 is about 3351.1190668193. The cubic root of 11229999 is about 223.9373695543.

The spelling of 11229999 in words is "eleven million, two hundred twenty-nine thousand, nine hundred ninety-nine".