6722219854 has 16 divisors (see below), whose sum is σ = 11524894848. Its totient is φ = 2880679032.

The previous prime is 6722219843. The next prime is 6722219869. The reversal of 6722219854 is 4589122276.

6722219854 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 220717 + ... + 249319.

It is an arithmetic number, because the mean of its divisors is an integer number (720305928).

Almost surely, 2^6722219854 is an apocalyptic number.

6722219854 is a deficient number, since it is larger than the sum of its proper divisors (4802674994).

6722219854 is a wasteful number, since it uses less digits than its factorization.

6722219854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45399.

The product of its digits is 483840, while the sum is 46.

The square root of 6722219854 is about 81989.1447327023. The cubic root of 6722219854 is about 1887.2853587716.

It can be divided in two parts, 6722 and 219854, that added together give a square (226576 = 476²).

The spelling of 6722219854 in words is "six billion, seven hundred twenty-two million, two hundred nineteen thousand, eight hundred fifty-four".