1144122222 has 64 divisors (see below), whose sum is σ = 2393846784. Its totient is φ = 364275840.

The previous prime is 1144122197. The next prime is 1144122223. The reversal of 1144122222 is 2222214411.

1144122222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144122223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3904708 + ... + 3905000.

It is an arithmetic number, because the mean of its divisors is an integer number (37403856).

Almost surely, 2^1144122222 is an apocalyptic number.

1144122222 is an abundant number, since it is smaller than the sum of its proper divisors (1249724562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144122222 is a wasteful number, since it uses less digits than its factorization.

1144122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633.

The product of its digits is 512, while the sum is 21.

The square root of 1144122222 is about 33824.8757869116. The cubic root of 1144122222 is about 1045.9015508370.

Adding to 1144122222 its reverse (2222214411), we get a palindrome (3366336633).

The spelling of 1144122222 in words is "one billion, one hundred forty-four million, one hundred twenty-two thousand, two hundred twenty-two".