144222688 has 48 divisors (see below), whose sum is σ = 292357296. Its totient is φ = 69995520.

The previous prime is 144222671. The next prime is 144222697. The reversal of 144222688 is 886222441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386470 + ... + 386842.

It is an arithmetic number, because the mean of its divisors is an integer number (6090777).

Almost surely, 2^144222688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144222688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146178648).

144222688 is an abundant number, since it is smaller than the sum of its proper divisors (148134608).

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

144222688 is a wasteful number, since it uses less digits than its factorization.

144222688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 699 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 144222688 is about 12009.2750822021. The cubic root of 144222688 is about 524.4183284153.

The spelling of 144222688 in words is "one hundred forty-four million, two hundred twenty-two thousand, six hundred eighty-eight".