144422330 has 48 divisors (see below), whose sum is σ = 284720184. Its totient is φ = 52715520.

The previous prime is 144422329. The next prime is 144422339. The reversal of 144422330 is 33224441.

It can be written as a sum of positive squares in 12 ways, for example, as 10349089 + 134073241 = 3217^2 + 11579^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144422296 and 144422305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144422339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163490 + ... + 164370.

Almost surely, 2^144422330 is an apocalyptic number.

144422330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144422330 is a deficient number, since it is larger than the sum of its proper divisors (140297854).

144422330 is a wasteful number, since it uses less digits than its factorization.

144422330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 144422330 is about 12017.5841998298. The cubic root of 144422330 is about 524.6601943187.

Adding to 144422330 its reverse (33224441), we get a palindrome (177646771).

The spelling of 144422330 in words is "one hundred forty-four million, four hundred twenty-two thousand, three hundred thirty".