1012222313 has 4 divisors (see below), whose sum is σ = 1071764820. Its totient is φ = 952679808.

The previous prime is 1012222297. The next prime is 1012222319. The reversal of 1012222313 is 3132222101.

1012222313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 868893529 + 143328784 = 29477^2 + 11972^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012222313 - 2⁴ = 1012222297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 59542489 = 1012222313 / (1 + 0 + 1 + 2 + 2 + 2 + 2 + 3 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012222291 and 1012222300.

It is not an unprimeable number, because it can be changed into a prime (1012222319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29771228 + ... + 29771261.

It is an arithmetic number, because the mean of its divisors is an integer number (267941205).

Almost surely, 2^1012222313 is an apocalyptic number.

It is an amenable number.

1012222313 is a deficient number, since it is larger than the sum of its proper divisors (59542507).

1012222313 is an equidigital number, since it uses as much as digits as its factorization.

1012222313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59542506.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1012222313 is about 31815.4414239375. The cubic root of 1012222313 is about 1004.0576178025.

Adding to 1012222313 its reverse (3132222101), we get a palindrome (4144444414).

The spelling of 1012222313 in words is "one billion, twelve million, two hundred twenty-two thousand, three hundred thirteen".