11229915 has 16 divisors (see below), whose sum is σ = 18079488. Its totient is φ = 5952096.

The previous prime is 11229863. The next prime is 11229947. The reversal of 11229915 is 51992211.

It is not a de Polignac number, because 11229915 - 2⁹ = 11229403 is a prime.

It is a super-2 number, since 2×11229915² = 252221981814450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264 + ... + 4746.

It is an arithmetic number, because the mean of its divisors is an integer number (1129968).

Almost surely, 2^11229915 is an apocalyptic number.

11229915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11229915 is a deficient number, since it is larger than the sum of its proper divisors (6849573).

11229915 is a wasteful number, since it uses less digits than its factorization.

11229915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658.

The product of its digits is 1620, while the sum is 30.

The square root of 11229915 is about 3351.1065336691. The cubic root of 11229915 is about 223.9368112051.

The spelling of 11229915 in words is "eleven million, two hundred twenty-nine thousand, nine hundred fifteen".