427228367 has 2 divisors, whose sum is σ = 427228368. Its totient is φ = 427228366.

The previous prime is 427228363. The next prime is 427228387. The reversal of 427228367 is 763822724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427228367 - 2² = 427228363 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427228363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213614183 + 213614184.

It is an arithmetic number, because the mean of its divisors is an integer number (213614184).

Almost surely, 2^427228367 is an apocalyptic number.

427228367 is a deficient number, since it is larger than the sum of its proper divisors (1).

427228367 is an equidigital number, since it uses as much as digits as its factorization.

427228367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 41.

The square root of 427228367 is about 20669.5033080140. The cubic root of 427228367 is about 753.1590408952.

The spelling of 427228367 in words is "four hundred twenty-seven million, two hundred twenty-eight thousand, three hundred sixty-seven".