1144220222 has 8 divisors (see below), whose sum is σ = 1716758400. Its totient is φ = 571967424.

The previous prime is 1144220191. The next prime is 1144220267. The reversal of 1144220222 is 2220224411.

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 = 1144220194 and 1144220203.

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, 61022 + ... + 77537.

It is an arithmetic number, because the mean of its divisors is an integer number (214594800).

Almost surely, 2^1144220222 is an apocalyptic number.

1144220222 is a deficient number, since it is larger than the sum of its proper divisors (572538178).

1144220222 is a wasteful number, since it uses less digits than its factorization.

1144220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142690.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1144220222 is about 33826.3243938800. The cubic root of 1144220222 is about 1045.9314122812.

Adding to 1144220222 its reverse (2220224411), we get a palindrome (3364444633).

The spelling of 1144220222 in words is "one billion, one hundred forty-four million, two hundred twenty thousand, two hundred twenty-two".