1072229813 has 2 divisors, whose sum is σ = 1072229814. Its totient is φ = 1072229812.

The previous prime is 1072229779. The next prime is 1072229849. The reversal of 1072229813 is 3189222701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 739459249 + 332770564 = 27193^2 + 18242^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072229813 - 2²⁴ = 1055452597 is a prime.

It is a super-2 number, since 2×1072229813² = 2299353543772029938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072229863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536114906 + 536114907.

It is an arithmetic number, because the mean of its divisors is an integer number (536114907).

Almost surely, 2^1072229813 is an apocalyptic number.

It is an amenable number.

1072229813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072229813 is an equidigital number, since it uses as much as digits as its factorization.

1072229813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1072229813 is about 32744.9204152339. The cubic root of 1072229813 is about 1023.5191188562.

The spelling of 1072229813 in words is "one billion, seventy-two million, two hundred twenty-nine thousand, eight hundred thirteen".