450022222 has 8 divisors (see below), whose sum is σ = 726959016. Its totient is φ = 207702552.

The previous prime is 450022217. The next prime is 450022229. The reversal of 450022222 is 222220054.

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

450022222 is a modest number, since divided by 22222 gives 4500 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 450022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450022229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8654248 + ... + 8654299.

It is an arithmetic number, because the mean of its divisors is an integer number (90869877).

Almost surely, 2^450022222 is an apocalyptic number.

450022222 is a deficient number, since it is larger than the sum of its proper divisors (276936794).

450022222 is a wasteful number, since it uses less digits than its factorization.

450022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17308562.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 450022222 is about 21213.7272066933. The cubic root of 450022222 is about 766.3220462068.

Adding to 450022222 its reverse (222220054), we get a palindrome (672242276).

The spelling of 450022222 in words is "four hundred fifty million, twenty-two thousand, two hundred twenty-two".