144422223 has 16 divisors (see below), whose sum is σ = 212153472. Its totient is φ = 86660000.

The previous prime is 144422219. The next prime is 144422237. The reversal of 144422223 is 322224441.

It is a cyclic number.

It is not a de Polignac number, because 144422223 - 2² = 144422219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144422193 and 144422202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144422263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18333 + ... + 24998.

It is an arithmetic number, because the mean of its divisors is an integer number (13259592).

Almost surely, 2^144422223 is an apocalyptic number.

144422223 is a deficient number, since it is larger than the sum of its proper divisors (67731249).

144422223 is a wasteful number, since it uses less digits than its factorization.

144422223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43446.

The product of its digits is 3072, while the sum is 24.

The square root of 144422223 is about 12017.5797480191. The cubic root of 144422223 is about 524.6600647481.

Adding to 144422223 its reverse (322224441), we get a palindrome (466646664).

The spelling of 144422223 in words is "one hundred forty-four million, four hundred twenty-two thousand, two hundred twenty-three".