144211224 has 32 divisors (see below), whose sum is σ = 365610240. Its totient is φ = 47392800.

The previous prime is 144211217. The next prime is 144211231. The reversal of 144211224 is 422112441.

It is an interprime number because it is at equal distance from previous prime (144211217) and next prime (144211231).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 144211224.

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, 40612 + ... + 44019.

It is an arithmetic number, because the mean of its divisors is an integer number (11425320).

Almost surely, 2^144211224 is an apocalyptic number.

It is an amenable number.

144211224 is an abundant number, since it is smaller than the sum of its proper divisors (221399016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144211224 is a wasteful number, since it uses less digits than its factorization.

144211224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84711 (or 84707 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 144211224 is about 12008.7977749648. The cubic root of 144211224 is about 524.4044330264.

Adding to 144211224 its reverse (422112441), we get a palindrome (566323665).

The spelling of 144211224 in words is "one hundred forty-four million, two hundred eleven thousand, two hundred twenty-four".