478222810 has 32 divisors (see below), whose sum is σ = 937455120. Its totient is φ = 174586368.

The previous prime is 478222783. The next prime is 478222861. The reversal of 478222810 is 18222874.

It can be written as a sum of positive squares in 8 ways, for example, as 167159041 + 311063769 = 12929^2 + 17637^2 .

It is a super-2 number, since 2×478222810² = 457394112008592200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9097 + ... + 32236.

Almost surely, 2^478222810 is an apocalyptic number.

478222810 is a deficient number, since it is larger than the sum of its proper divisors (459232310).

478222810 is a wasteful number, since it uses less digits than its factorization.

478222810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41442.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 478222810 is about 21868.3060615129. The cubic root of 478222810 is about 782.0060187962.

The spelling of 478222810 in words is "four hundred seventy-eight million, two hundred twenty-two thousand, eight hundred ten".