11994225 has 36 divisors (see below), whose sum is σ = 20976336. Its totient is φ = 6046560.

The previous prime is 11994223. The next prime is 11994233. The reversal of 11994225 is 52249911.

It is not a de Polignac number, because 11994225 - 2¹ = 11994223 is a prime.

It is a super-2 number, since 2×11994225² = 287722866701250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11994223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26854 + ... + 27296.

It is an arithmetic number, because the mean of its divisors is an integer number (582676).

Almost surely, 2^11994225 is an apocalyptic number.

11994225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11994225 is a deficient number, since it is larger than the sum of its proper divisors (8982111).

11994225 is a wasteful number, since it uses less digits than its factorization.

11994225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 470 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 11994225 is about 3463.2679653761. The cubic root of 11994225 is about 228.9061163690.

The spelling of 11994225 in words is "eleven million, nine hundred ninety-four thousand, two hundred twenty-five".