475144422 has 8 divisors (see below), whose sum is σ = 950288856. Its totient is φ = 158381472.

The previous prime is 475144421. The next prime is 475144429. The reversal of 475144422 is 224441574.

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

475144422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475144421) 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, 39595363 + ... + 39595374.

It is an arithmetic number, because the mean of its divisors is an integer number (118786107).

Almost surely, 2^475144422 is an apocalyptic number.

475144422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

475144422 is a wasteful number, since it uses less digits than its factorization.

475144422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79190742.

The product of its digits is 35840, while the sum is 33.

The square root of 475144422 is about 21797.8077338066. The cubic root of 475144422 is about 780.3244442515.

Adding to 475144422 its reverse (224441574), we get a palindrome (699585996).

The spelling of 475144422 in words is "four hundred seventy-five million, one hundred forty-four thousand, four hundred twenty-two".