722230400 has 48 divisors (see below), whose sum is σ = 1784142690. Its totient is φ = 288890880.

The previous prime is 722230367. The next prime is 722230409. The reversal of 722230400 is 4032227.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 552814144 + 169416256 = 23512^2 + 13016^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (722230409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109649 + ... + 116048.

Almost surely, 2^722230400 is an apocalyptic number.

It is an amenable number.

722230400 is an abundant number, since it is smaller than the sum of its proper divisors (1061912290).

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

722230400 is a wasteful number, since it uses less digits than its factorization.

722230400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225721 (or 225704 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 722230400 is about 26874.3446431722. The cubic root of 722230400 is about 897.2054883646.

Adding to 722230400 its reverse (4032227), we get a palindrome (726262627).

The spelling of 722230400 in words is "seven hundred twenty-two million, two hundred thirty thousand, four hundred".