57221126 has 8 divisors (see below), whose sum is σ = 86796360. Its totient is φ = 28289008.

The previous prime is 57221081. The next prime is 57221183. The reversal of 57221126 is 62112275.

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

It is a junction number, because it is equal to n+sod(n) for n = 57221095 and 57221104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160556 + ... + 160911.

It is an arithmetic number, because the mean of its divisors is an integer number (10849545).

Almost surely, 2^57221126 is an apocalyptic number.

57221126 is a deficient number, since it is larger than the sum of its proper divisors (29575234).

57221126 is a wasteful number, since it uses less digits than its factorization.

57221126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321558.

The product of its digits is 1680, while the sum is 26.

The square root of 57221126 is about 7564.4646869425. The cubic root of 57221126 is about 385.3471339257.

The spelling of 57221126 in words is "fifty-seven million, two hundred twenty-one thousand, one hundred twenty-six".