144422233 has 8 divisors (see below), whose sum is σ = 150945480. Its totient is φ = 138001920.

The previous prime is 144422219. The next prime is 144422237. The reversal of 144422233 is 332224441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39400729 + 105021504 = 6277^2 + 10248^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144422233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144422198 and 144422207.

It is not an unprimeable number, because it can be changed into a prime (144422237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22858 + ... + 28483.

It is an arithmetic number, because the mean of its divisors is an integer number (18868185).

Almost surely, 2^144422233 is an apocalyptic number.

It is an amenable number.

144422233 is a deficient number, since it is larger than the sum of its proper divisors (6523247).

144422233 is an equidigital number, since it uses as much as digits as its factorization.

144422233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51467.

The product of its digits is 4608, while the sum is 25.

The square root of 144422233 is about 12017.5801640763. The cubic root of 144422233 is about 524.6600768575.

Adding to 144422233 its reverse (332224441), we get a palindrome (476646674).

The spelling of 144422233 in words is "one hundred forty-four million, four hundred twenty-two thousand, two hundred thirty-three".