1057288244 has 6 divisors (see below), whose sum is σ = 1850254434. Its totient is φ = 528644120.

The previous prime is 1057288241. The next prime is 1057288277. The reversal of 1057288244 is 4428827501.

It can be written as a sum of positive squares in only one way, i.e., 851939344 + 205348900 = 29188^2 + 14330^2 .

It is a super-2 number, since 2×1057288244² = 2235716861801207072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057288241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132161027 + ... + 132161034.

It is an arithmetic number, because the mean of its divisors is an integer number (308375739).

Almost surely, 2^1057288244 is an apocalyptic number.

It is an amenable number.

1057288244 is a deficient number, since it is larger than the sum of its proper divisors (792966190).

1057288244 is a wasteful number, since it uses less digits than its factorization.

1057288244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264322065 (or 264322063 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The square root of 1057288244 is about 32515.9690613704. The cubic root of 1057288244 is about 1018.7426015547.

The spelling of 1057288244 in words is "one billion, fifty-seven million, two hundred eighty-eight thousand, two hundred forty-four".