422771498 has 8 divisors (see below), whose sum is σ = 634786308. Its totient is φ = 211176064.

The previous prime is 422771491. The next prime is 422771507. The reversal of 422771498 is 894177224.

It can be written as a sum of positive squares in 2 ways, for example, as 281803369 + 140968129 = 16787^2 + 11873^2 .

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

It is not an unprimeable number, because it can be changed into a prime (422771491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102311 + ... + 106362.

Almost surely, 2^422771498 is an apocalyptic number.

422771498 is a deficient number, since it is larger than the sum of its proper divisors (212014810).

422771498 is a wasteful number, since it uses less digits than its factorization.

422771498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209688.

The product of its digits is 225792, while the sum is 44.

The square root of 422771498 is about 20561.4079770817. The cubic root of 422771498 is about 750.5308822042.

The spelling of 422771498 in words is "four hundred twenty-two million, seven hundred seventy-one thousand, four hundred ninety-eight".