57222024 has 32 divisors (see below), whose sum is σ = 145074240. Its totient is φ = 18804800.

The previous prime is 57222007. The next prime is 57222031. The reversal of 57222024 is 42022275.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 57221985 and 57222003.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15087 + ... + 18494.

It is an arithmetic number, because the mean of its divisors is an integer number (4533570).

Almost surely, 2^57222024 is an apocalyptic number.

It is an amenable number.

57222024 is an abundant number, since it is smaller than the sum of its proper divisors (87852216).

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

57222024 is a wasteful number, since it uses less digits than its factorization.

57222024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33661 (or 33657 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 57222024 is about 7564.5240431900. The cubic root of 57222024 is about 385.3491497308.

Adding to 57222024 its reverse (42022275), we get a palindrome (99244299).

The spelling of 57222024 in words is "fifty-seven million, two hundred twenty-two thousand, twenty-four".