475822147 has 4 divisors (see below), whose sum is σ = 476466760. Its totient is φ = 475177536.

The previous prime is 475822121. The next prime is 475822153. The reversal of 475822147 is 741228574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 475822147 - 2⁷ = 475822019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (475822157) 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, 321198 + ... + 322675.

It is an arithmetic number, because the mean of its divisors is an integer number (119116690).

Almost surely, 2^475822147 is an apocalyptic number.

475822147 is a deficient number, since it is larger than the sum of its proper divisors (644613).

475822147 is an equidigital number, since it uses as much as digits as its factorization.

475822147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644612.

The product of its digits is 125440, while the sum is 40.

The square root of 475822147 is about 21813.3479090212. The cubic root of 475822147 is about 780.6952747598.

It can be divided in two parts, 47582 and 2147, that added together give a square (49729 = 223²).

The spelling of 475822147 in words is "four hundred seventy-five million, eight hundred twenty-two thousand, one hundred forty-seven".