22451143222 has 8 divisors (see below), whose sum is σ = 33684183936. Its totient is φ = 11223081912.

The previous prime is 22451143217. The next prime is 22451143241. The reversal of 22451143222 is 22234115422.

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

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, 1233558 + ... + 1251625.

It is an arithmetic number, because the mean of its divisors is an integer number (4210522992).

Almost surely, 2^22451143222 is an apocalyptic number.

22451143222 is a deficient number, since it is larger than the sum of its proper divisors (11233040714).

22451143222 is a wasteful number, since it uses less digits than its factorization.

22451143222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489702.

The product of its digits is 7680, while the sum is 28.

Adding to 22451143222 its reverse (22234115422), we get a palindrome (44685258644).

The spelling of 22451143222 in words is "twenty-two billion, four hundred fifty-one million, one hundred forty-three thousand, two hundred twenty-two".