4451222 has 8 divisors (see below), whose sum is σ = 6688776. Its totient is φ = 2221632.

The previous prime is 4451219. The next prime is 4451257. The reversal of 4451222 is 2221544.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4451194 and 4451203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (836097).

Almost surely, 2^4451222 is an apocalyptic number.

4451222 is a deficient number, since it is larger than the sum of its proper divisors (2237554).

4451222 is a wasteful number, since it uses less digits than its factorization.

4451222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982.

The product of its digits is 640, while the sum is 20.

The square root of 4451222 is about 2109.7919328692. The cubic root of 4451222 is about 164.4976702891.

Adding to 4451222 its reverse (2221544), we get a palindrome (6672766).

The spelling of 4451222 in words is "four million, four hundred fifty-one thousand, two hundred twenty-two".