6722388794 has 8 divisors (see below), whose sum is σ = 11000272608. Its totient is φ = 3055631260.

The previous prime is 6722388767. The next prime is 6722388811. The reversal of 6722388794 is 4978832276.

It is a happy number.

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

It is a super-2 number, since 2×6722388794² = 90381022195393548872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152781542 + ... + 152781585.

It is an arithmetic number, because the mean of its divisors is an integer number (1375034076).

Almost surely, 2^6722388794 is an apocalyptic number.

6722388794 is a deficient number, since it is larger than the sum of its proper divisors (4277883814).

6722388794 is a wasteful number, since it uses less digits than its factorization.

6722388794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305563140.

The product of its digits is 8128512, while the sum is 56.

The square root of 6722388794 is about 81990.1749845675. The cubic root of 6722388794 is about 1887.3011687929.

The spelling of 6722388794 in words is "six billion, seven hundred twenty-two million, three hundred eighty-eight thousand, seven hundred ninety-four".