144321022 has 8 divisors (see below), whose sum is σ = 218186496. Its totient is φ = 71592192.

The previous prime is 144321019. The next prime is 144321031. The reversal of 144321022 is 220123441.

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

It is a super-2 number, since 2×144321022² = 41657114782248968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283843 + ... + 284350.

It is an arithmetic number, because the mean of its divisors is an integer number (27273312).

Almost surely, 2^144321022 is an apocalyptic number.

144321022 is a deficient number, since it is larger than the sum of its proper divisors (73865474).

144321022 is a wasteful number, since it uses less digits than its factorization.

144321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568322.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 144321022 is about 12013.3684701669. The cubic root of 144321022 is about 524.5374877445.

Adding to 144321022 its reverse (220123441), we get a palindrome (364444463).

The spelling of 144321022 in words is "one hundred forty-four million, three hundred twenty-one thousand, twenty-two".