1006354221 has 8 divisors (see below), whose sum is σ = 1342011840. Its totient is φ = 670799712.

The previous prime is 1006354211. The next prime is 1006354229. The reversal of 1006354221 is 1224536001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1006354221 - 2¹⁰ = 1006353197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1006354191 and 1006354200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006354229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961 + ... + 44873.

It is an arithmetic number, because the mean of its divisors is an integer number (167751480).

Almost surely, 2^1006354221 is an apocalyptic number.

It is an amenable number.

1006354221 is a deficient number, since it is larger than the sum of its proper divisors (335657619).

1006354221 is an equidigital number, since it uses as much as digits as its factorization.

1006354221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51555.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1006354221 is about 31723.0865616825. The cubic root of 1006354221 is about 1002.1136032008.

The spelling of 1006354221 in words is "one billion, six million, three hundred fifty-four thousand, two hundred twenty-one".