450022125 has 96 divisors (see below), whose sum is σ = 917654400. Its totient is φ = 194745600.

The previous prime is 450022123. The next prime is 450022127. The reversal of 450022125 is 521220054.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (450022123) and next prime (450022127).

It is not a de Polignac number, because 450022125 - 2¹ = 450022123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450022123) 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 95 ways as a sum of consecutive naturals, for example, 348481 + ... + 349769.

It is an arithmetic number, because the mean of its divisors is an integer number (9558900).

Almost surely, 2^450022125 is an apocalyptic number.

It is an amenable number.

450022125 is an abundant number, since it is smaller than the sum of its proper divisors (467632275).

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

450022125 is a wasteful number, since it uses less digits than its factorization.

450022125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 450022125 is about 21213.7249204377. The cubic root of 450022125 is about 766.3219911479.

Adding to 450022125 its reverse (521220054), we get a palindrome (971242179).

The spelling of 450022125 in words is "four hundred fifty million, twenty-two thousand, one hundred twenty-five".