57222060 has 96 divisors (see below), whose sum is σ = 187633152. Its totient is φ = 12756480.

The previous prime is 57222047. The next prime is 57222073. The reversal of 57222060 is 6022275.

57222060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (57222047) and next prime (57222073).

It is a self number, because there is not a number n which added to its sum of digits gives 57222060.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15559 + ... + 18881.

It is an arithmetic number, because the mean of its divisors is an integer number (1954512).

Almost surely, 2^57222060 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 57222060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93816576).

57222060 is an abundant number, since it is smaller than the sum of its proper divisors (130411092).

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

57222060 is a wasteful number, since it uses less digits than its factorization.

57222060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383 (or 3381 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 57222060 is about 7564.5264227181. The cubic root of 57222060 is about 385.3492305421.

The spelling of 57222060 in words is "fifty-seven million, two hundred twenty-two thousand, sixty".