722272200 has 288 divisors, whose sum is σ = 2573272800. Its totient is φ = 166932480.

The previous prime is 722272189. The next prime is 722272219. The reversal of 722272200 is 2272227.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1723591 + ... + 1724009.

It is an arithmetic number, because the mean of its divisors is an integer number (8934975).

Almost surely, 2^722272200 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 722272200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286636400).

722272200 is an abundant number, since it is smaller than the sum of its proper divisors (1851000600).

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

722272200 is a wasteful number, since it uses less digits than its factorization.

722272200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 722272200 is about 26875.1223253030. The cubic root of 722272200 is about 897.2227969990. Note that the first 3 decimals are identical.

The spelling of 722272200 in words is "seven hundred twenty-two million, two hundred seventy-two thousand, two hundred".