450135222 has 16 divisors (see below), whose sum is σ = 901644480. Its totient is φ = 149816072.

The previous prime is 450135181. The next prime is 450135227. The reversal of 450135222 is 222531054.

It is a junction number, because it is equal to n+sod(n) for n = 450135192 and 450135201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450135227) 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, 52968 + ... + 60875.

It is an arithmetic number, because the mean of its divisors is an integer number (56352780).

Almost surely, 2^450135222 is an apocalyptic number.

450135222 is an abundant number, since it is smaller than the sum of its proper divisors (451509258).

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

450135222 is a wasteful number, since it uses less digits than its factorization.

450135222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114507.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 450135222 is about 21216.3904093038. The cubic root of 450135222 is about 766.3861816651.

Adding to 450135222 its reverse (222531054), we get a palindrome (672666276).

The spelling of 450135222 in words is "four hundred fifty million, one hundred thirty-five thousand, two hundred twenty-two".