722105 has 8 divisors (see below), whose sum is σ = 873600. Its totient is φ = 572976.

The previous prime is 722093. The next prime is 722119. The reversal of 722105 is 501227.

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 722105 - 2⁸ = 721849 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 722105.

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, 176 + ... + 1214.

It is an arithmetic number, because the mean of its divisors is an integer number (109200).

2⁷²²¹⁰⁵ is an apocalyptic number.

It is an amenable number.

722105 is a deficient number, since it is larger than the sum of its proper divisors (151495).

722105 is a wasteful number, since it uses less digits than its factorization.

722105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 722105 is about 849.7676152926. The cubic root of 722105 is about 89.7153558454.

The spelling of 722105 in words is "seven hundred twenty-two thousand, one hundred five".