454222145222 has 4 divisors (see below), whose sum is σ = 681333217836. Its totient is φ = 227111072610.

The previous prime is 454222145219. The next prime is 454222145249. The reversal of 454222145222 is 222541222454.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113555536304 + ... + 113555536307.

It is an arithmetic number, because the mean of its divisors is an integer number (170333304459).

Almost surely, 2^454222145222 is an apocalyptic number.

454222145222 is a deficient number, since it is larger than the sum of its proper divisors (227111072614).

454222145222 is a wasteful number, since it uses less digits than its factorization.

454222145222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227111072613.

The product of its digits is 102400, while the sum is 35.

Adding to 454222145222 its reverse (222541222454), we get a palindrome (676763367676).

The spelling of 454222145222 in words is "four hundred fifty-four billion, two hundred twenty-two million, one hundred forty-five thousand, two hundred twenty-two".