6722177012 has 6 divisors (see below), whose sum is σ = 11763809778. Its totient is φ = 3361088504.

The previous prime is 6722176963. The next prime is 6722177023. The reversal of 6722177012 is 2107712276.

It can be written as a sum of positive squares in only one way, i.e., 6196208656 + 525968356 = 78716^2 + 22934^2 .

It is a super-2 number, since 2×6722177012² = 90375327561322496288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840272123 + ... + 840272130.

It is an arithmetic number, because the mean of its divisors is an integer number (1960634963).

Almost surely, 2^6722177012 is an apocalyptic number.

It is an amenable number.

6722177012 is a deficient number, since it is larger than the sum of its proper divisors (5041632766).

6722177012 is a wasteful number, since it uses less digits than its factorization.

6722177012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680544257 (or 1680544255 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 35.

The square root of 6722177012 is about 81988.8834659919. The cubic root of 6722177012 is about 1887.2813494189.

Adding to 6722177012 its reverse (2107712276), we get a palindrome (8829889288).

The spelling of 6722177012 in words is "six billion, seven hundred twenty-two million, one hundred seventy-seven thousand, twelve".