6722255545 has 8 divisors (see below), whose sum is σ = 8085084480. Its totient is φ = 5365552560.

The previous prime is 6722255539. The next prime is 6722255567. The reversal of 6722255545 is 5455522276.

6722255545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6722255545 - 2¹⁷ = 6722124473 is a prime.

It is a super-2 number, since 2×6722255545² = 90377439224566494050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529071 + ... + 1533460.

It is an arithmetic number, because the mean of its divisors is an integer number (1010635560).

Almost surely, 2^6722255545 is an apocalyptic number.

It is an amenable number.

6722255545 is a deficient number, since it is larger than the sum of its proper divisors (1362828935).

6722255545 is a wasteful number, since it uses less digits than its factorization.

6722255545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062975.

The product of its digits is 840000, while the sum is 43.

The square root of 6722255545 is about 81989.3623892758. The cubic root of 6722255545 is about 1887.2886988876.

The spelling of 6722255545 in words is "six billion, seven hundred twenty-two million, two hundred fifty-five thousand, five hundred forty-five".