1067220001 has 4 divisors (see below), whose sum is σ = 1067328900. Its totient is φ = 1067111104.

The previous prime is 1067219969. The next prime is 1067220029. The reversal of 1067220001 is 1000227601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1000227601 = 43 ⋅23261107.

It can be written as a sum of positive squares in 2 ways, for example, as 129390625 + 937829376 = 11375^2 + 30624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1067220001 - 2⁵ = 1067219969 is a prime.

It is a super-2 number, since 2×1067220001² = 2277917061068880002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1067224001) 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, 38116 + ... + 59893.

It is an arithmetic number, because the mean of its divisors is an integer number (266832225).

Almost surely, 2^1067220001 is an apocalyptic number.

It is an amenable number.

1067220001 is a deficient number, since it is larger than the sum of its proper divisors (108899).

1067220001 is an equidigital number, since it uses as much as digits as its factorization.

1067220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108898.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1067220001 is about 32668.3333061238. Note that the first 4 decimals coincide. The cubic root of 1067220001 is about 1021.9225565326.

Adding to 1067220001 its reverse (1000227601), we get a palindrome (2067447602).

The spelling of 1067220001 in words is "one billion, sixty-seven million, two hundred twenty thousand, one".