478307297226 has 16 divisors (see below), whose sum is σ = 1043579557728. Its totient is φ = 144941605200.

The previous prime is 478307297197. The next prime is 478307297227. The reversal of 478307297226 is 622792703874.

It is a happy number.

It is a super-2 number, since 2×478307297226² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (478307297227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3623540065 + ... + 3623540196.

It is an arithmetic number, because the mean of its divisors is an integer number (65223722358).

Almost surely, 2^478307297226 is an apocalyptic number.

478307297226 is an abundant number, since it is smaller than the sum of its proper divisors (565272260502).

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

478307297226 is a wasteful number, since it uses less digits than its factorization.

478307297226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247080277.

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 478307297226 in words is "four hundred seventy-eight billion, three hundred seven million, two hundred ninety-seven thousand, two hundred twenty-six".