572221440 has 288 divisors, whose sum is σ = 2269088640. Its totient is φ = 130646016.

The previous prime is 572221367. The next prime is 572221451. The reversal of 572221440 is 44122275.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 644677 + ... + 645563.

It is an arithmetic number, because the mean of its divisors is an integer number (7878780).

Almost surely, 2^572221440 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 572221440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134544320).

572221440 is an abundant number, since it is smaller than the sum of its proper divisors (1696867200).

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

572221440 is a wasteful number, since it uses less digits than its factorization.

572221440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 904 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 572221440 is about 23921.1504740052. The cubic root of 572221440 is about 830.2101562966.

The spelling of 572221440 in words is "five hundred seventy-two million, two hundred twenty-one thousand, four hundred forty".