450520022 has 4 divisors (see below), whose sum is σ = 675780036. Its totient is φ = 225260010.

The previous prime is 450519997. The next prime is 450520027. The reversal of 450520022 is 220025054.

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

It is a junction number, because it is equal to n+sod(n) for n = 450519976 and 450520003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450520027) 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 as a sum of consecutive naturals, namely, 112630004 + ... + 112630007.

It is an arithmetic number, because the mean of its divisors is an integer number (168945009).

Almost surely, 2^450520022 is an apocalyptic number.

450520022 is a deficient number, since it is larger than the sum of its proper divisors (225260014).

450520022 is a wasteful number, since it uses less digits than its factorization.

450520022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225260013.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 450520022 is about 21225.4569326552. The cubic root of 450520022 is about 766.6045022900.

Adding to 450520022 its reverse (220025054), we get a palindrome (670545076).

The spelling of 450520022 in words is "four hundred fifty million, five hundred twenty thousand, twenty-two".