474228391 has 32 divisors (see below), whose sum is σ = 618652160. Its totient is φ = 352999296.

The previous prime is 474228373. The next prime is 474228437. The reversal of 474228391 is 193822474.

It is not a de Polignac number, because 474228391 - 2¹¹ = 474226343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474228331) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 270580 + ... + 272326.

It is an arithmetic number, because the mean of its divisors is an integer number (19332880).

Almost surely, 2^474228391 is an apocalyptic number.

474228391 is a deficient number, since it is larger than the sum of its proper divisors (144423769).

474228391 is a wasteful number, since it uses less digits than its factorization.

474228391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943.

The product of its digits is 96768, while the sum is 40.

The square root of 474228391 is about 21776.7855984303. The cubic root of 474228391 is about 779.8226591130.

It can be divided in two parts, 4742 and 28391, that added together give a palindrome (33133).

The spelling of 474228391 in words is "four hundred seventy-four million, two hundred twenty-eight thousand, three hundred ninety-one".