27221433 has 16 divisors (see below), whose sum is σ = 38836800. Its totient is φ = 16908480.

The previous prime is 27221429. The next prime is 27221449. The reversal of 27221433 is 33412272.

It is not a de Polignac number, because 27221433 - 2² = 27221429 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27221483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438 + ... + 7391.

It is an arithmetic number, because the mean of its divisors is an integer number (2427300).

Almost surely, 2^27221433 is an apocalyptic number.

It is an amenable number.

27221433 is a deficient number, since it is larger than the sum of its proper divisors (11615367).

27221433 is a wasteful number, since it uses less digits than its factorization.

27221433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7912.

The product of its digits is 2016, while the sum is 24.

The square root of 27221433 is about 5217.4163146140. The cubic root of 27221433 is about 300.8178903803.

The spelling of 27221433 in words is "twenty-seven million, two hundred twenty-one thousand, four hundred thirty-three".