144221221302 has 32 divisors (see below), whose sum is σ = 297773185632. Its totient is φ = 46532081664.

The previous prime is 144221221273. The next prime is 144221221321. The reversal of 144221221302 is 203122122441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1640173 + ... + 1725864.

It is an arithmetic number, because the mean of its divisors is an integer number (9305412051).

Almost surely, 2^144221221302 is an apocalyptic number.

144221221302 is an abundant number, since it is smaller than the sum of its proper divisors (153551964330).

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

144221221302 is a wasteful number, since it uses less digits than its factorization.

144221221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366272.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 144221221302 its reverse (203122122441), we get a palindrome (347343343743).

The spelling of 144221221302 in words is "one hundred forty-four billion, two hundred twenty-one million, two hundred twenty-one thousand, three hundred two".