1468016221 has 8 divisors (see below), whose sum is σ = 1735585920. Its totient is φ = 1214909808.

The previous prime is 1468016219. The next prime is 1468016227. The reversal of 1468016221 is 1226108641.

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

It is not a de Polignac number, because 1468016221 - 2¹ = 1468016219 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 (1468016227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3615601 + ... + 3616006.

It is an arithmetic number, because the mean of its divisors is an integer number (216948240).

Almost surely, 2^1468016221 is an apocalyptic number.

It is an amenable number.

1468016221 is a deficient number, since it is larger than the sum of its proper divisors (267569699).

1468016221 is an equidigital number, since it uses as much as digits as its factorization.

1468016221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231643.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1468016221 is about 38314.6998030782. The cubic root of 1468016221 is about 1136.5196566677.

The spelling of 1468016221 in words is "one billion, four hundred sixty-eight million, sixteen thousand, two hundred twenty-one".