57222448 has 20 divisors (see below), whose sum is σ = 112749480. Its totient is φ = 28125824.

The previous prime is 57222443. The next prime is 57222467. The reversal of 57222448 is 84422275.

It is a super-2 number, since 2×57222448² = 6548817110225408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57222443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29365 + ... + 31252.

It is an arithmetic number, because the mean of its divisors is an integer number (5637474).

Almost surely, 2^57222448 is an apocalyptic number.

It is an amenable number.

57222448 is a deficient number, since it is larger than the sum of its proper divisors (55527032).

57222448 is a wasteful number, since it uses less digits than its factorization.

57222448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60684 (or 60678 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 57222448 is about 7564.5520686951. The cubic root of 57222448 is about 385.3501015067.

The spelling of 57222448 in words is "fifty-seven million, two hundred twenty-two thousand, four hundred forty-eight".