1072216867 has 2 divisors, whose sum is σ = 1072216868. Its totient is φ = 1072216866.

The previous prime is 1072216861. The next prime is 1072216883. The reversal of 1072216867 is 7686122701.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1072216867 is a prime.

It is a super-2 number, since 2×1072216867² = 2299298019758591378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1072216861) 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 as a sum of consecutive naturals, namely, 536108433 + 536108434.

It is an arithmetic number, because the mean of its divisors is an integer number (536108434).

Almost surely, 2^1072216867 is an apocalyptic number.

1072216867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072216867 is an equidigital number, since it uses as much as digits as its factorization.

1072216867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 1072216867 is about 32744.7227351218. The cubic root of 1072216867 is about 1023.5149995491.

The spelling of 1072216867 in words is "one billion, seventy-two million, two hundred sixteen thousand, eight hundred sixty-seven".