144222221040 has 40 divisors (see below), whose sum is σ = 447088885968. Its totient is φ = 38459258880.

The previous prime is 144222221029. The next prime is 144222221051. The reversal of 144222221040 is 40122222441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144222221029) and next prime (144222221051).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 144222221040.

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, 300462721 + ... + 300463200.

Almost surely, 2^144222221040 is an apocalyptic number.

144222221040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144222221040 is an abundant number, since it is smaller than the sum of its proper divisors (302866664928).

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

144222221040 is a wasteful number, since it uses less digits than its factorization.

144222221040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600925937 (or 600925931 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 144222221040 its reverse (40122222441), we get a palindrome (184344443481).

The spelling of 144222221040 in words is "one hundred forty-four billion, two hundred twenty-two million, two hundred twenty-one thousand, forty".