27221733 has 36 divisors (see below), whose sum is σ = 49407904. Its totient is φ = 14137200.

The previous prime is 27221717. The next prime is 27221797. The reversal of 27221733 is 33712272.

It is a happy number.

It is not a de Polignac number, because 27221733 - 2⁴ = 27221717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27221697 and 27221706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27221713) 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 35 ways as a sum of consecutive naturals, for example, 5838 + ... + 9408.

Almost surely, 2^27221733 is an apocalyptic number.

It is an amenable number.

27221733 is a deficient number, since it is larger than the sum of its proper divisors (22186171).

27221733 is a wasteful number, since it uses less digits than its factorization.

27221733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606 (or 3592 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 27221733 is about 5217.4450643969. The cubic root of 27221733 is about 300.8189954535.

The spelling of 27221733 in words is "twenty-seven million, two hundred twenty-one thousand, seven hundred thirty-three".