454221530 has 64 divisors (see below), whose sum is σ = 959904000. Its totient is φ = 151538688.

The previous prime is 454221529. The next prime is 454221533. The reversal of 454221530 is 35122454.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 454221530.

It is not an unprimeable number, because it can be changed into a prime (454221533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449666 + ... + 450674.

It is an arithmetic number, because the mean of its divisors is an integer number (14998500).

Almost surely, 2^454221530 is an apocalyptic number.

454221530 is an abundant number, since it is smaller than the sum of its proper divisors (505682470).

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

454221530 is a wasteful number, since it uses less digits than its factorization.

454221530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 454221530 is about 21312.4735776962. The cubic root of 454221530 is about 768.6982728541.

Adding to 454221530 its reverse (35122454), we get a palindrome (489343984).

The spelling of 454221530 in words is "four hundred fifty-four million, two hundred twenty-one thousand, five hundred thirty".