479222657444 has 6 divisors (see below), whose sum is σ = 838639650534. Its totient is φ = 239611328720.

The previous prime is 479222657443. The next prime is 479222657447. The reversal of 479222657444 is 444756222974.

It can be written as a sum of positive squares in only one way, i.e., 266989224100 + 212233433344 = 516710^2 + 460688^2 .

It is a super-2 number, since 2×479222657444² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 479222657444.

It is not an unprimeable number, because it can be changed into a prime (479222657443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59902832177 + ... + 59902832184.

It is an arithmetic number, because the mean of its divisors is an integer number (139773275089).

Almost surely, 2^479222657444 is an apocalyptic number.

It is an amenable number.

479222657444 is a deficient number, since it is larger than the sum of its proper divisors (359416993090).

479222657444 is a wasteful number, since it uses less digits than its factorization.

479222657444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119805664365 (or 119805664363 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 56.

The spelling of 479222657444 in words is "four hundred seventy-nine billion, two hundred twenty-two million, six hundred fifty-seven thousand, four hundred forty-four".