478222811 has 8 divisors (see below), whose sum is σ = 534422448. Its totient is φ = 424144000.

The previous prime is 478222783. The next prime is 478222861. The reversal of 478222811 is 118222874.

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

It is a cyclic number.

It is not a de Polignac number, because 478222811 - 2⁶ = 478222747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478222861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529730 + ... + 530631.

It is an arithmetic number, because the mean of its divisors is an integer number (66802806).

Almost surely, 2^478222811 is an apocalyptic number.

478222811 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

478222811 is a deficient number, since it is larger than the sum of its proper divisors (56199637).

478222811 is a wasteful number, since it uses less digits than its factorization.

478222811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060413.

The product of its digits is 14336, while the sum is 35.

The square root of 478222811 is about 21868.3060843770. The cubic root of 478222811 is about 782.0060193413.

The spelling of 478222811 in words is "four hundred seventy-eight million, two hundred twenty-two thousand, eight hundred eleven".