428571422 has 8 divisors (see below), whose sum is σ = 642979272. Its totient is φ = 214245000.

The previous prime is 428571389. The next prime is 428571431. The reversal of 428571422 is 224175824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 4829 + ... + 29672.

It is an arithmetic number, because the mean of its divisors is an integer number (80372409).

Almost surely, 2^428571422 is an apocalyptic number.

428571422 is a deficient number, since it is larger than the sum of its proper divisors (214407850).

428571422 is a wasteful number, since it uses less digits than its factorization.

428571422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40714.

The product of its digits is 35840, while the sum is 35.

The square root of 428571422 is about 20701.9666215555. The cubic root of 428571422 is about 753.9474372756.

The spelling of 428571422 in words is "four hundred twenty-eight million, five hundred seventy-one thousand, four hundred twenty-two".