478981422 has 24 divisors (see below), whose sum is σ = 1038810864. Its totient is φ = 159503904.

The previous prime is 478981421. The next prime is 478981427. The reversal of 478981422 is 224189874.

It is a super-2 number, since 2×478981422² = 458846405242284168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478981421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6618 + ... + 31650.

It is an arithmetic number, because the mean of its divisors is an integer number (43283786).

Almost surely, 2^478981422 is an apocalyptic number.

478981422 is an abundant number, since it is smaller than the sum of its proper divisors (559829442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478981422 is a wasteful number, since it uses less digits than its factorization.

478981422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26104 (or 26101 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 478981422 is about 21885.6441988807. The cubic root of 478981422 is about 782.4193029570.

The spelling of 478981422 in words is "four hundred seventy-eight million, nine hundred eighty-one thousand, four hundred twenty-two".