144933222 has 16 divisors (see below), whose sum is σ = 331276032. Its totient is φ = 41409480.

The previous prime is 144933203. The next prime is 144933287. The reversal of 144933222 is 222339441.

It is a self number, because there is not a number n which added to its sum of digits gives 144933222.

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, 1725354 + ... + 1725437.

It is an arithmetic number, because the mean of its divisors is an integer number (20704752).

Almost surely, 2^144933222 is an apocalyptic number.

144933222 is an abundant number, since it is smaller than the sum of its proper divisors (186342810).

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

144933222 is a wasteful number, since it uses less digits than its factorization.

144933222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450803.

The product of its digits is 10368, while the sum is 30.

The square root of 144933222 is about 12038.8214539464. The cubic root of 144933222 is about 525.2781256491.

The spelling of 144933222 in words is "one hundred forty-four million, nine hundred thirty-three thousand, two hundred twenty-two".