2144221302 has 16 divisors (see below), whose sum is σ = 4289610240. Its totient is φ = 714545832.

The previous prime is 2144221297. The next prime is 2144221351. The reversal of 2144221302 is 2031224412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23802 + ... + 69677.

It is an arithmetic number, because the mean of its divisors is an integer number (268100640).

Almost surely, 2^2144221302 is an apocalyptic number.

2144221302 is an abundant number, since it is smaller than the sum of its proper divisors (2145388938).

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

2144221302 is a wasteful number, since it uses less digits than its factorization.

2144221302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97307.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2144221302 is about 46305.7372471274. The cubic root of 2144221302 is about 1289.5055096500.

Adding to 2144221302 its reverse (2031224412), we get a palindrome (4175445714).

It can be divided in two parts, 2144 and 221302, that added together give a triangular number (223446 = T₆₆₈).

The spelling of 2144221302 in words is "two billion, one hundred forty-four million, two hundred twenty-one thousand, three hundred two".