1450454221 has 8 divisors (see below), whose sum is σ = 1515769344. Its totient is φ = 1385326800.

The previous prime is 1450454219. The next prime is 1450454231. The reversal of 1450454221 is 1224540541.

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

It is not a de Polignac number, because 1450454221 - 2¹ = 1450454219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1450454221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450454231) 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, 31005 + ... + 62146.

It is an arithmetic number, because the mean of its divisors is an integer number (189471168).

Almost surely, 2^1450454221 is an apocalyptic number.

It is an amenable number.

1450454221 is a deficient number, since it is larger than the sum of its proper divisors (65315123).

1450454221 is an equidigital number, since it uses as much as digits as its factorization.

1450454221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93851.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1450454221 is about 38084.8292762354. The cubic root of 1450454221 is about 1131.9693699650.

Adding to 1450454221 its reverse (1224540541), we get a palindrome (2674994762).

The spelling of 1450454221 in words is "one billion, four hundred fifty million, four hundred fifty-four thousand, two hundred twenty-one".