27422393 has 2 divisors, whose sum is σ = 27422394. Its totient is φ = 27422392.

The previous prime is 27422389. The next prime is 27422431. The reversal of 27422393 is 39322472.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19430464 + 7991929 = 4408^2 + 2827^2 .

It is a cyclic number.

It is not a de Polignac number, because 27422393 - 2² = 27422389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27422333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13711196 + 13711197.

It is an arithmetic number, because the mean of its divisors is an integer number (13711197).

Almost surely, 2^27422393 is an apocalyptic number.

It is an amenable number.

27422393 is a deficient number, since it is larger than the sum of its proper divisors (1).

27422393 is an equidigital number, since it uses as much as digits as its factorization.

27422393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 27422393 is about 5236.6394758471. The cubic root of 27422393 is about 301.5563306728.

The spelling of 27422393 in words is "twenty-seven million, four hundred twenty-two thousand, three hundred ninety-three".