222044144 has 20 divisors (see below), whose sum is σ = 491669424. Its totient is φ = 95161728.

The previous prime is 222044143. The next prime is 222044149. The reversal of 222044144 is 441440222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222044143) 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, 991157 + ... + 991380.

Almost surely, 2^222044144 is an apocalyptic number.

It is an amenable number.

222044144 is an abundant number, since it is smaller than the sum of its proper divisors (269625280).

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

222044144 is a wasteful number, since it uses less digits than its factorization.

222044144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982552 (or 1982546 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 222044144 is about 14901.1457277620. The cubic root of 222044144 is about 605.5450262376.

Adding to 222044144 its reverse (441440222), we get a palindrome (663484366).

It can be divided in two parts, 2220 and 44144, that added together give a palindrome (46364).

The spelling of 222044144 in words is "two hundred twenty-two million, forty-four thousand, one hundred forty-four".