6722344445 has 18 divisors (see below), whose sum is σ = 8299102266. Its totient is φ = 5227247520.

The previous prime is 6722344427. The next prime is 6722344469. The reversal of 6722344445 is 5444432276.

It can be written as a sum of positive squares in 3 ways, for example, as 3303720484 + 3418623961 = 57478^2 + 58469^2 .

It is not a de Polignac number, because 6722344445 - 2¹² = 6722340349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6782900 + ... + 6783890.

It is an arithmetic number, because the mean of its divisors is an integer number (461061237).

Almost surely, 2^6722344445 is an apocalyptic number.

It is an amenable number.

6722344445 is a deficient number, since it is larger than the sum of its proper divisors (1576757821).

6722344445 is an frugal number, since it uses more digits than its factorization.

6722344445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061 (or 1033 counting only the distinct ones).

The product of its digits is 645120, while the sum is 41.

The square root of 6722344445 is about 81989.9045309848. The cubic root of 6722344445 is about 1887.2970184774.

The spelling of 6722344445 in words is "six billion, seven hundred twenty-two million, three hundred forty-four thousand, four hundred forty-five".