475222649 has 4 divisors (see below), whose sum is σ = 518424720. Its totient is φ = 432020580.

The previous prime is 475222637. The next prime is 475222673. The reversal of 475222649 is 946222574.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 475222649 - 2²⁰ = 474174073 is a prime.

It is a super-2 number, since 2×475222649² = 451673132245154402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (475222609) 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, 21601019 + ... + 21601040.

It is an arithmetic number, because the mean of its divisors is an integer number (129606180).

Almost surely, 2^475222649 is an apocalyptic number.

It is an amenable number.

475222649 is a deficient number, since it is larger than the sum of its proper divisors (43202071).

475222649 is a wasteful number, since it uses less digits than its factorization.

475222649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43202070.

The product of its digits is 241920, while the sum is 41.

The square root of 475222649 is about 21799.6020376520. The cubic root of 475222649 is about 780.3672656814.

The spelling of 475222649 in words is "four hundred seventy-five million, two hundred twenty-two thousand, six hundred forty-nine".