1350444221 has 8 divisors (see below), whose sum is σ = 1546590720. Its totient is φ = 1155104208.

The previous prime is 1350444203. The next prime is 1350444253. The reversal of 1350444221 is 1224440531.

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

It is a cyclic number.

It is not a de Polignac number, because 1350444221 - 2²⁶ = 1283335357 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 (1350644221) 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, 198026 + ... + 204731.

It is an arithmetic number, because the mean of its divisors is an integer number (193323840).

Almost surely, 2^1350444221 is an apocalyptic number.

It is an amenable number.

1350444221 is a deficient number, since it is larger than the sum of its proper divisors (196146499).

1350444221 is an equidigital number, since it uses as much as digits as its factorization.

1350444221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403243.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1350444221 is about 36748.3907266699. The cubic root of 1350444221 is about 1105.3306603098.

Adding to 1350444221 its reverse (1224440531), we get a palindrome (2574884752).

The spelling of 1350444221 in words is "one billion, three hundred fifty million, four hundred forty-four thousand, two hundred twenty-one".