427226755 has 4 divisors (see below), whose sum is σ = 512672112. Its totient is φ = 341781400.

The previous prime is 427226731. The next prime is 427226783. The reversal of 427226755 is 557622724.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 427226755 - 2¹⁹ = 426702467 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42722671 + ... + 42722680.

It is an arithmetic number, because the mean of its divisors is an integer number (128168028).

Almost surely, 2^427226755 is an apocalyptic number.

427226755 is a deficient number, since it is larger than the sum of its proper divisors (85445357).

427226755 is an equidigital number, since it uses as much as digits as its factorization.

427226755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85445356.

The product of its digits is 235200, while the sum is 40.

The square root of 427226755 is about 20669.4643133295. The cubic root of 427226755 is about 753.1580936314.

The spelling of 427226755 in words is "four hundred twenty-seven million, two hundred twenty-six thousand, seven hundred fifty-five".