57222002 has 8 divisors (see below), whose sum is σ = 85919196. Its totient is φ = 28582272.

The previous prime is 57221981. The next prime is 57222007. The reversal of 57222002 is 20022275.

57222002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57138481 + 83521 = 7559^2 + 289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57222007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11783 + ... + 15914.

Almost surely, 2^57222002 is an apocalyptic number.

57222002 is a deficient number, since it is larger than the sum of its proper divisors (28697194).

57222002 is a wasteful number, since it uses less digits than its factorization.

57222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28732.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 57222002 is about 7564.5225890336. The cubic root of 57222002 is about 385.3491003461.

Adding to 57222002 its reverse (20022275), we get a palindrome (77244277).

The spelling of 57222002 in words is "fifty-seven million, two hundred twenty-two thousand, two".