450222055 has 4 divisors (see below), whose sum is σ = 540266472. Its totient is φ = 360177640.

The previous prime is 450222041. The next prime is 450222061. The reversal of 450222055 is 550222054.

It is a happy number.

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

It is not a de Polignac number, because 450222055 - 2⁷ = 450221927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45022201 + ... + 45022210.

It is an arithmetic number, because the mean of its divisors is an integer number (135066618).

Almost surely, 2^450222055 is an apocalyptic number.

450222055 is a deficient number, since it is larger than the sum of its proper divisors (90044417).

450222055 is an equidigital number, since it uses as much as digits as its factorization.

450222055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90044416.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 450222055 is about 21218.4366766263. The cubic root of 450222055 is about 766.4354582153.

Subtracting 450222055 from its reverse (550222054), we obtain a palindrome (99999999).

The spelling of 450222055 in words is "four hundred fifty million, two hundred twenty-two thousand, fifty-five".