722214400 has 120 divisors (see below), whose sum is σ = 1895168880. Its totient is φ = 271810560.

The previous prime is 722214391. The next prime is 722214401. The reversal of 722214400 is 4412227.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722214401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215941 + ... + 219259.

It is an arithmetic number, because the mean of its divisors is an integer number (15793074).

Almost surely, 2^722214400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722214400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (947584440).

722214400 is an abundant number, since it is smaller than the sum of its proper divisors (1172954480).

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

722214400 is a wasteful number, since it uses less digits than its factorization.

722214400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 3343 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 722214400 is about 26874.0469598459. The cubic root of 722214400 is about 897.1988628732.

Adding to 722214400 its reverse (4412227), we get a palindrome (726626627).

The spelling of 722214400 in words is "seven hundred twenty-two million, two hundred fourteen thousand, four hundred".