1454484221 has 4 divisors (see below), whose sum is σ = 1454712732. Its totient is φ = 1454255712.

The previous prime is 1454484209. The next prime is 1454484233. The reversal of 1454484221 is 1224844541.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1454484209) and next prime (1454484233).

It can be written as a sum of positive squares in 2 ways, for example, as 415711321 + 1038772900 = 20389^2 + 32230^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454484221 - 2¹⁴ = 1454467837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454484271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104426 + ... + 117531.

It is an arithmetic number, because the mean of its divisors is an integer number (363678183).

Almost surely, 2^1454484221 is an apocalyptic number.

It is an amenable number.

1454484221 is a deficient number, since it is larger than the sum of its proper divisors (228511).

1454484221 is an equidigital number, since it uses as much as digits as its factorization.

1454484221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228510.

The product of its digits is 40960, while the sum is 35.

The square root of 1454484221 is about 38137.7007828212. The cubic root of 1454484221 is about 1133.0167701689.

The spelling of 1454484221 in words is "one billion, four hundred fifty-four million, four hundred eighty-four thousand, two hundred twenty-one".