722008000 has 112 divisors (see below), whose sum is σ = 2043647424. Its totient is φ = 247526400.

The previous prime is 722007997. The next prime is 722008069. The reversal of 722008000 is 800227.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49554 + ... + 62446.

It is an arithmetic number, because the mean of its divisors is an integer number (18246852).

Almost surely, 2^722008000 is an apocalyptic number.

722008000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722008000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021823712).

722008000 is an abundant number, since it is smaller than the sum of its proper divisors (1321639424).

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

722008000 is a wasteful number, since it uses less digits than its factorization.

722008000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12927 (or 12907 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 722008000 is about 26870.2065492620. The cubic root of 722008000 is about 897.1133852602.

Adding to 722008000 its reverse (800227), we get a palindrome (722808227).

It can be divided in two parts, 72200 and 8000, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 722008000 in words is "seven hundred twenty-two million, eight thousand".