722005401 has 16 divisors (see below), whose sum is σ = 1037417024. Its totient is φ = 444014784.

The previous prime is 722005391. The next prime is 722005409. The reversal of 722005401 is 104500227.

722005401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722005401 - 2⁵ = 722005369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722005409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62835 + ... + 73431.

It is an arithmetic number, because the mean of its divisors is an integer number (64838564).

Almost surely, 2^722005401 is an apocalyptic number.

It is an amenable number.

722005401 is a deficient number, since it is larger than the sum of its proper divisors (315411623).

722005401 is a wasteful number, since it uses less digits than its factorization.

722005401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 722005401 is about 26870.1581871041. The cubic root of 722005401 is about 897.1123088176.

Adding to 722005401 its reverse (104500227), we get a palindrome (826505628).

The spelling of 722005401 in words is "seven hundred twenty-two million, five thousand, four hundred one".