27220463 has 2 divisors, whose sum is σ = 27220464. Its totient is φ = 27220462.

The previous prime is 27220441. The next prime is 27220469. The reversal of 27220463 is 36402272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27220463 - 2⁶ = 27220399 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27220469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13610231 + 13610232.

It is an arithmetic number, because the mean of its divisors is an integer number (13610232).

Almost surely, 2^27220463 is an apocalyptic number.

27220463 is a deficient number, since it is larger than the sum of its proper divisors (1).

27220463 is an equidigital number, since it uses as much as digits as its factorization.

27220463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 27220463 is about 5217.3233558981. The cubic root of 27220463 is about 300.8143172544.

The spelling of 27220463 in words is "twenty-seven million, two hundred twenty thousand, four hundred sixty-three".