1009221093 has 16 divisors (see below), whose sum is σ = 1501568640. Its totient is φ = 669922272.

The previous prime is 1009221079. The next prime is 1009221113. The reversal of 1009221093 is 3901229001.

It is not a de Polignac number, because 1009221093 - 2⁸ = 1009220837 is a prime.

It is a super-2 number, since 2×1009221093² = 2037054429112229298, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009221053) 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, 73921 + ... + 86502.

It is an arithmetic number, because the mean of its divisors is an integer number (93848040).

Almost surely, 2^1009221093 is an apocalyptic number.

It is an amenable number.

1009221093 is a deficient number, since it is larger than the sum of its proper divisors (492347547).

1009221093 is a wasteful number, since it uses less digits than its factorization.

1009221093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160665 (or 160659 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1009221093 is about 31768.2403195393. The cubic root of 1009221093 is about 1003.0642981523.

The spelling of 1009221093 in words is "one billion, nine million, two hundred twenty-one thousand, ninety-three".