27221193 has 24 divisors (see below), whose sum is σ = 41550080. Its totient is φ = 17146080.

The previous prime is 27221153. The next prime is 27221197. The reversal of 27221193 is 39112272.

It is not a de Polignac number, because 27221193 - 2¹⁰ = 27220169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27221197) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10863 + ... + 13131.

Almost surely, 2^27221193 is an apocalyptic number.

It is an amenable number.

27221193 is a deficient number, since it is larger than the sum of its proper divisors (14328887).

27221193 is a wasteful number, since it uses less digits than its factorization.

27221193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349 (or 2346 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 27221193 is about 5217.3933146735. The cubic root of 27221193 is about 300.8170063158.

The spelling of 27221193 in words is "twenty-seven million, two hundred twenty-one thousand, one hundred ninety-three".