144225422 has 16 divisors (see below), whose sum is σ = 241028352. Its totient is φ = 64161720.

The previous prime is 144225401. The next prime is 144225461. The reversal of 144225422 is 224522441.

It is a junction number, because it is equal to n+sod(n) for n = 144225391 and 144225400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68708 + ... + 70775.

It is an arithmetic number, because the mean of its divisors is an integer number (15064272).

Almost surely, 2^144225422 is an apocalyptic number.

144225422 is a deficient number, since it is larger than the sum of its proper divisors (96802930).

144225422 is a wasteful number, since it uses less digits than its factorization.

144225422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139543.

The product of its digits is 5120, while the sum is 26.

The square root of 144225422 is about 12009.3889103484. The cubic root of 144225422 is about 524.4216421580.

Adding to 144225422 its reverse (224522441), we get a palindrome (368747863).

The spelling of 144225422 in words is "one hundred forty-four million, two hundred twenty-five thousand, four hundred twenty-two".