6572227444 has 6 divisors (see below), whose sum is σ = 11501398034. Its totient is φ = 3286113720.

The previous prime is 6572227369. The next prime is 6572227451. The reversal of 6572227444 is 4447222756.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6168217444 + 404010000 = 78538^2 + 20100^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6572227444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821528427 + ... + 821528434.

Almost surely, 2^6572227444 is an apocalyptic number.

It is an amenable number.

6572227444 is a deficient number, since it is larger than the sum of its proper divisors (4929170590).

6572227444 is a wasteful number, since it uses less digits than its factorization.

6572227444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643056865 (or 1643056863 counting only the distinct ones).

The product of its digits is 752640, while the sum is 43.

The square root of 6572227444 is about 81069.2755857606. The cubic root of 6572227444 is about 1873.1426888420.

The spelling of 6572227444 in words is "six billion, five hundred seventy-two million, two hundred twenty-seven thousand, four hundred forty-four".