57222280272 has 160 divisors (see below), whose sum is σ = 153110200320. Its totient is φ = 18404305920.

The previous prime is 57222280243. The next prime is 57222280273. The reversal of 57222280272 is 27208222275.

It is a self number, because there is not a number n which added to its sum of digits gives 57222280272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57222280273) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 109831372 + ... + 109831892.

It is an arithmetic number, because the mean of its divisors is an integer number (956938752).

Almost surely, 2^57222280272 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 57222280272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76555100160).

57222280272 is an abundant number, since it is smaller than the sum of its proper divisors (95887920048).

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

57222280272 is a wasteful number, since it uses less digits than its factorization.

57222280272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The spelling of 57222280272 in words is "fifty-seven billion, two hundred twenty-two million, two hundred eighty thousand, two hundred seventy-two".