454221330 has 64 divisors (see below), whose sum is σ = 1109928960. Its totient is φ = 118941696.

The previous prime is 454221263. The next prime is 454221337. The reversal of 454221330 is 33122454.

It is a self number, because there is not a number n which added to its sum of digits gives 454221330.

It is not an unprimeable number, because it can be changed into a prime (454221337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 948031 + ... + 948509.

It is an arithmetic number, because the mean of its divisors is an integer number (17342640).

Almost surely, 2^454221330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454221330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554964480).

454221330 is an abundant number, since it is smaller than the sum of its proper divisors (655707630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454221330 is a wasteful number, since it uses less digits than its factorization.

454221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 454221330 is about 21312.4688856078. The cubic root of 454221330 is about 768.6981600313.

Adding to 454221330 its reverse (33122454), we get a palindrome (487343784).

The spelling of 454221330 in words is "four hundred fifty-four million, two hundred twenty-one thousand, three hundred thirty".