722169001 has 8 divisors (see below), whose sum is σ = 729479520. Its totient is φ = 714869088.

The previous prime is 722168999. The next prime is 722169011. The reversal of 722169001 is 100961227.

It is a happy number.

722169001 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 722169001 - 2¹ = 722168999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722169011) 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, 274645 + ... + 277261.

It is an arithmetic number, because the mean of its divisors is an integer number (91184940).

Almost surely, 2^722169001 is an apocalyptic number.

It is an amenable number.

722169001 is a deficient number, since it is larger than the sum of its proper divisors (7310519).

722169001 is a wasteful number, since it uses less digits than its factorization.

722169001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 722169001 is about 26873.2022840599. The cubic root of 722169001 is about 897.1800629228.

The spelling of 722169001 in words is "seven hundred twenty-two million, one hundred sixty-nine thousand, one".