57222742 has 8 divisors (see below), whose sum is σ = 88794000. Its totient is φ = 27624744.

The previous prime is 57222733. The next prime is 57222769. The reversal of 57222742 is 24722275.

57222742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 493242 + ... + 493357.

It is an arithmetic number, because the mean of its divisors is an integer number (11099250).

Almost surely, 2^57222742 is an apocalyptic number.

57222742 is a deficient number, since it is larger than the sum of its proper divisors (31571258).

57222742 is a wasteful number, since it uses less digits than its factorization.

57222742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986630.

The product of its digits is 15680, while the sum is 31.

The square root of 57222742 is about 7564.5715014137. The cubic root of 57222742 is about 385.3507614618.

It can be divided in two parts, 5722 and 2742, that added together give a square (8464 = 92²).

The spelling of 57222742 in words is "fifty-seven million, two hundred twenty-two thousand, seven hundred forty-two".