1057222347 has 32 divisors (see below), whose sum is σ = 1527482880. Its totient is φ = 648426240.

The previous prime is 1057222343. The next prime is 1057222363. The reversal of 1057222347 is 7432227501.

It is not a de Polignac number, because 1057222347 - 2² = 1057222343 is a prime.

It is a super-2 number, since 2×1057222347² = 2235438181992376818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057222343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613447 + ... + 615167.

It is an arithmetic number, because the mean of its divisors is an integer number (47733840).

Almost surely, 2^1057222347 is an apocalyptic number.

1057222347 is a deficient number, since it is larger than the sum of its proper divisors (470260533).

1057222347 is a wasteful number, since it uses less digits than its factorization.

1057222347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 1057222347 is about 32514.9557434729. The cubic root of 1057222347 is about 1018.7214362523.

Adding to 1057222347 its reverse (7432227501), we get a palindrome (8489449848).

The spelling of 1057222347 in words is "one billion, fifty-seven million, two hundred twenty-two thousand, three hundred forty-seven".