1049223517 has 4 divisors (see below), whose sum is σ = 1051647100. Its totient is φ = 1046799936.

The previous prime is 1049223473. The next prime is 1049223523. The reversal of 1049223517 is 7153229401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 438441721 + 610781796 = 20939^2 + 24714^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049223517 - 2¹⁹ = 1048699229 is a prime.

It is a super-2 number, since 2×1049223517² = 2201739977251698578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049223557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211142 + ... + 1212007.

It is an arithmetic number, because the mean of its divisors is an integer number (262911775).

Almost surely, 2^1049223517 is an apocalyptic number.

It is an amenable number.

1049223517 is a deficient number, since it is larger than the sum of its proper divisors (2423583).

1049223517 is an equidigital number, since it uses as much as digits as its factorization.

1049223517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423582.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1049223517 is about 32391.7198833282. The cubic root of 1049223517 is about 1016.1457507464.

The spelling of 1049223517 in words is "one billion, forty-nine million, two hundred twenty-three thousand, five hundred seventeen".