144081222 has 64 divisors (see below), whose sum is σ = 320785920. Its totient is φ = 42932736.

The previous prime is 144081191. The next prime is 144081229. The reversal of 144081222 is 222180441.

It is a junction number, because it is equal to n+sod(n) for n = 144081192 and 144081201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144081229) 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, 197823 + ... + 198549.

It is an arithmetic number, because the mean of its divisors is an integer number (5012280).

Almost surely, 2^144081222 is an apocalyptic number.

144081222 is an abundant number, since it is smaller than the sum of its proper divisors (176704698).

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

144081222 is a wasteful number, since it uses less digits than its factorization.

144081222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 144081222 is about 12003.3837729200. The cubic root of 144081222 is about 524.2468074756.

The spelling of 144081222 in words is "one hundred forty-four million, eighty-one thousand, two hundred twenty-two".