1006220073 has 16 divisors (see below), whose sum is σ = 1382322816. Its totient is φ = 650655360.

The previous prime is 1006220057. The next prime is 1006220099. The reversal of 1006220073 is 3700226001.

It is a happy number.

It is not a de Polignac number, because 1006220073 - 2⁴ = 1006220057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1006220273) 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 in 15 ways as a sum of consecutive naturals, for example, 2365 + ... + 44922.

It is an arithmetic number, because the mean of its divisors is an integer number (86395176).

Almost surely, 2^1006220073 is an apocalyptic number.

It is an amenable number.

1006220073 is a deficient number, since it is larger than the sum of its proper divisors (376102743).

1006220073 is a wasteful number, since it uses less digits than its factorization.

1006220073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47504.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1006220073 is about 31720.9721320139. The cubic root of 1006220073 is about 1002.0690736483.

Adding to 1006220073 its reverse (3700226001), we get a palindrome (4706446074).

It can be divided in two parts, 10062 and 20073, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 1006220073 in words is "one billion, six million, two hundred twenty thousand, seventy-three".