722336400 has 120 divisors (see below), whose sum is σ = 2571020960. Its totient is φ = 192620160.

The previous prime is 722336393. The next prime is 722336411. The reversal of 722336400 is 4633227.

722336400 is a `hidden beast` number, since 7 + 223 + 36 + 400 = 666.

722336400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22642 + ... + 44241.

Almost surely, 2^722336400 is an apocalyptic number.

It is an amenable number.

722336400 is an abundant number, since it is smaller than the sum of its proper divisors (1848684560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722336400 is a wasteful number, since it uses less digits than its factorization.

722336400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66910 (or 66893 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 722336400 is about 26876.3167119306. The cubic root of 722336400 is about 897.2493797735.

Adding to 722336400 its reverse (4633227), we get a palindrome (726969627).

The spelling of 722336400 in words is "seven hundred twenty-two million, three hundred thirty-six thousand, four hundred".