475222660 has 72 divisors (see below), whose sum is σ = 1102006080. Its totient is φ = 172011840.

The previous prime is 475222637. The next prime is 475222673. The reversal of 475222660 is 66222574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 868507 + ... + 869053.

It is an arithmetic number, because the mean of its divisors is an integer number (15305640).

Almost surely, 2^475222660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475222660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551003040).

475222660 is an abundant number, since it is smaller than the sum of its proper divisors (626783420).

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

475222660 is a wasteful number, since it uses less digits than its factorization.

475222660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 475222660 is about 21799.6022899502. The cubic root of 475222660 is about 780.3672717025.

The spelling of 475222660 in words is "four hundred seventy-five million, two hundred twenty-two thousand, six hundred sixty".