722923201 has 32 divisors (see below), whose sum is σ = 973598976. Its totient is φ = 518400000.

The previous prime is 722923199. The next prime is 722923211. The reversal of 722923201 is 102329227.

It is a 3-Lehmer number, since φ(722923201) divides (722923201-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 722923201 - 2¹ = 722923199 is a prime.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a deceptive number, since it divides R_722923200.

It is a self number, because there is not a number n which added to its sum of digits gives 722923201.

It is not an unprimeable number, because it can be changed into a prime (722923211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400501 + ... + 402301.

It is an arithmetic number, because the mean of its divisors is an integer number (30424968).

It is a Poulet number, since it divides 2^722923200-1.

Almost surely, 2^722923201 is an apocalyptic number.

It is an amenable number.

722923201 is a deficient number, since it is larger than the sum of its proper divisors (250675775).

722923201 is a wasteful number, since it uses less digits than its factorization.

722923201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 722923201 is about 26887.2311888004. The cubic root of 722923201 is about 897.4922787541.

The spelling of 722923201 in words is "seven hundred twenty-two million, nine hundred twenty-three thousand, two hundred one".