2057044221 has 8 divisors (see below), whose sum is σ = 3047472960. Its totient is φ = 1371362796.

The previous prime is 2057044207. The next prime is 2057044247. The reversal of 2057044221 is 1224407502.

It is not a de Polignac number, because 2057044221 - 2¹¹ = 2057042173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 76186823 = 2057044221 / (2 + 0 + 5 + 7 + 0 + 4 + 4 + 2 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057044201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38093385 + ... + 38093438.

It is an arithmetic number, because the mean of its divisors is an integer number (380934120).

Almost surely, 2^2057044221 is an apocalyptic number.

It is an amenable number.

2057044221 is a deficient number, since it is larger than the sum of its proper divisors (990428739).

2057044221 is an equidigital number, since it uses as much as digits as its factorization.

2057044221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76186832 (or 76186826 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2057044221 is about 45354.6493868049. The cubic root of 2057044221 is about 1271.7874722800.

The spelling of 2057044221 in words is "two billion, fifty-seven million, forty-four thousand, two hundred twenty-one".