144222041 has 8 divisors (see below), whose sum is σ = 149590344. Its totient is φ = 138931200.

The previous prime is 144222037. The next prime is 144222047. The reversal of 144222041 is 140222441.

It can be written as a sum of positive squares in 4 ways, for example, as 103632400 + 40589641 = 10180^2 + 6371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144222041 - 2² = 144222037 is a prime.

It is a super-2 number, since 2×144222041² = 41599994220411362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144222047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15560 + ... + 23033.

It is an arithmetic number, because the mean of its divisors is an integer number (18698793).

Almost surely, 2^144222041 is an apocalyptic number.

It is an amenable number.

144222041 is a deficient number, since it is larger than the sum of its proper divisors (5368303).

144222041 is a wasteful number, since it uses less digits than its factorization.

144222041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38731.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 144222041 is about 12009.2481446592. The cubic root of 144222041 is about 524.4175442133.

Adding to 144222041 its reverse (140222441), we get a palindrome (284444482).

The spelling of 144222041 in words is "one hundred forty-four million, two hundred twenty-two thousand, forty-one".