11229838 has 4 divisors (see below), whose sum is σ = 16844760. Its totient is φ = 5614918.

The previous prime is 11229793. The next prime is 11229847. The reversal of 11229838 is 83892211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83892211 = 13 ⋅6453247.

It is a super-2 number, since 2×11229838² = 252218523012488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807458 + ... + 2807461.

It is an arithmetic number, because the mean of its divisors is an integer number (4211190).

Almost surely, 2^11229838 is an apocalyptic number.

11229838 is a deficient number, since it is larger than the sum of its proper divisors (5614922).

11229838 is an equidigital number, since it uses as much as digits as its factorization.

11229838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614921.

The product of its digits is 6912, while the sum is 34.

The square root of 11229838 is about 3351.0950449070. The cubic root of 11229838 is about 223.9362993824.

The spelling of 11229838 in words is "eleven million, two hundred twenty-nine thousand, eight hundred thirty-eight".