722016000 has 432 divisors, whose sum is σ = 2735853120. Its totient is φ = 182476800.

The previous prime is 722015999. The next prime is 722016007. The reversal of 722016000 is 610227.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722016007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6623946 + ... + 6624054.

Almost surely, 2^722016000 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 722016000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367926560).

722016000 is an abundant number, since it is smaller than the sum of its proper divisors (2013837120).

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

722016000 is a wasteful number, since it uses less digits than its factorization.

722016000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 722016000 is about 26870.3554126104. The cubic root of 722016000 is about 897.1166986494.

Adding to 722016000 its reverse (610227), we get a palindrome (722626227).

It can be divided in two parts, 7220 and 16000, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 722016000 in words is "seven hundred twenty-two million, sixteen thousand".