1073221797 has 4 divisors (see below), whose sum is σ = 1430962400. Its totient is φ = 715481196.

The previous prime is 1073221777. The next prime is 1073221811. The reversal of 1073221797 is 7971223701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1073221797 - 2¹⁰ = 1073220773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073221757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178870297 + ... + 178870302.

It is an arithmetic number, because the mean of its divisors is an integer number (357740600).

Almost surely, 2^1073221797 is an apocalyptic number.

It is an amenable number.

1073221797 is a deficient number, since it is larger than the sum of its proper divisors (357740603).

1073221797 is an equidigital number, since it uses as much as digits as its factorization.

1073221797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357740602.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 1073221797 is about 32760.0640567139. The cubic root of 1073221797 is about 1023.8346611740.

The spelling of 1073221797 in words is "one billion, seventy-three million, two hundred twenty-one thousand, seven hundred ninety-seven".