144422522 has 8 divisors (see below), whose sum is σ = 218287872. Its totient is φ = 71659900.

The previous prime is 144422519. The next prime is 144422527. The reversal of 144422522 is 225224441.

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

It is a junction number, because it is equal to n+sod(n) for n = 144422491 and 144422500.

It is not an unprimeable number, because it can be changed into a prime (144422527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275354 + ... + 275877.

It is an arithmetic number, because the mean of its divisors is an integer number (27285984).

Almost surely, 2^144422522 is an apocalyptic number.

144422522 is a deficient number, since it is larger than the sum of its proper divisors (73865350).

144422522 is a wasteful number, since it uses less digits than its factorization.

144422522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551364.

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

The square root of 144422522 is about 12017.5921881215. The cubic root of 144422522 is about 524.6604268190.

Adding to 144422522 its reverse (225224441), we get a palindrome (369646963).

The spelling of 144422522 in words is "one hundred forty-four million, four hundred twenty-two thousand, five hundred twenty-two".