27200221 has 8 divisors (see below), whose sum is σ = 28940544. Its totient is φ = 25475520.

The previous prime is 27200213. The next prime is 27200227. The reversal of 27200221 is 12200272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27200221 - 2³ = 27200213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27200195 and 27200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27200227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205 + ... + 7378.

It is an arithmetic number, because the mean of its divisors is an integer number (3617568).

Almost surely, 2^27200221 is an apocalyptic number.

It is an amenable number.

27200221 is a deficient number, since it is larger than the sum of its proper divisors (1740323).

27200221 is a wasteful number, since it uses less digits than its factorization.

27200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 27200221 is about 5215.3831115269. The cubic root of 27200221 is about 300.7397337400.

Adding to 27200221 its reverse (12200272), we get a palindrome (39400493).

The spelling of 27200221 in words is "twenty-seven million, two hundred thousand, two hundred twenty-one".