1068220473 has 4 divisors (see below), whose sum is σ = 1424293968. Its totient is φ = 712146980.

The previous prime is 1068220469. The next prime is 1068220477. The reversal of 1068220473 is 3740228601.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3740228601 = 3 ⋅1246742867.

It is an interprime number because it is at equal distance from previous prime (1068220469) and next prime (1068220477).

It is a cyclic number.

It is not a de Polignac number, because 1068220473 - 2² = 1068220469 is a prime.

It is a super-2 number, since 2×1068220473² = 2282189957872687458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068220477) 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, 178036743 + ... + 178036748.

It is an arithmetic number, because the mean of its divisors is an integer number (356073492).

Almost surely, 2^1068220473 is an apocalyptic number.

It is an amenable number.

1068220473 is a deficient number, since it is larger than the sum of its proper divisors (356073495).

1068220473 is an equidigital number, since it uses as much as digits as its factorization.

1068220473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356073494.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1068220473 is about 32683.6422847883. The cubic root of 1068220473 is about 1022.2417926734.

The spelling of 1068220473 in words is "one billion, sixty-eight million, two hundred twenty thousand, four hundred seventy-three".