1000220093 has 2 divisors, whose sum is σ = 1000220094. Its totient is φ = 1000220092.

The previous prime is 1000220077. The next prime is 1000220107. The reversal of 1000220093 is 3900220001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 769119289 + 231100804 = 27733^2 + 15202^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000220093 - 2⁴ = 1000220077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000520093) 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, 500110046 + 500110047.

It is an arithmetic number, because the mean of its divisors is an integer number (500110047).

Almost surely, 2^1000220093 is an apocalyptic number.

It is an amenable number.

1000220093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000220093 is an equidigital number, since it uses as much as digits as its factorization.

1000220093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1000220093 is about 31626.2563861106. The cubic root of 1000220093 is about 1000.0733589517.

Adding to 1000220093 its reverse (3900220001), we get a palindrome (4900440094).

The spelling of 1000220093 in words is "one billion, two hundred twenty thousand, ninety-three".