6662288444 has 12 divisors (see below), whose sum is σ = 13324576944. Its totient is φ = 2855266464.

The previous prime is 6662288443. The next prime is 6662288453. The reversal of 6662288444 is 4448822666.

6662288444 is an admirable number.

It is a super-2 number, since 2×6662288444² = 88772174622111882272, which contains 22 as substring.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6662288392 and 6662288401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662288441) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118969409 + ... + 118969464.

It is an arithmetic number, because the mean of its divisors is an integer number (1110381412).

Almost surely, 2^6662288444 is an apocalyptic number.

It is an amenable number.

6662288444 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.

6662288444 is a wasteful number, since it uses less digits than its factorization.

6662288444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237938884 (or 237938882 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 50.

The square root of 6662288444 is about 81622.8426606180. The cubic root of 6662288444 is about 1881.6599610091.

The spelling of 6662288444 in words is "six billion, six hundred sixty-two million, two hundred eighty-eight thousand, four hundred forty-four".