6722229 has 8 divisors (see below), whose sum is σ = 9272160. Its totient is φ = 4326896.

The previous prime is 6722207. The next prime is 6722239. The reversal of 6722229 is 9222276.

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

It is a cyclic number.

It is not a de Polignac number, because 6722229 - 2⁸ = 6721973 is a prime.

6722229 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6722196 and 6722205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38547 + ... + 38720.

It is an arithmetic number, because the mean of its divisors is an integer number (1159020).

Almost surely, 2^6722229 is an apocalyptic number.

It is an amenable number.

6722229 is a deficient number, since it is larger than the sum of its proper divisors (2549931).

6722229 is a wasteful number, since it uses less digits than its factorization.

6722229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77299.

The product of its digits is 6048, while the sum is 30.

The square root of 6722229 is about 2592.7261714265. The cubic root of 6722229 is about 188.7286214694.

The spelling of 6722229 in words is "six million, seven hundred twenty-two thousand, two hundred twenty-nine".