144222430 has 32 divisors (see below), whose sum is σ = 289795968. Its totient is φ = 51223200.

The previous prime is 144222409. The next prime is 144222431. The reversal of 144222430 is 34222441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144222431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10516 + ... + 19975.

It is an arithmetic number, because the mean of its divisors is an integer number (9056124).

Almost surely, 2^144222430 is an apocalyptic number.

144222430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144222430 is an abundant number, since it is smaller than the sum of its proper divisors (145573538).

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

144222430 is a wasteful number, since it uses less digits than its factorization.

144222430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30552.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 144222430 is about 12009.2643404998. The cubic root of 144222430 is about 524.4180157044.

Adding to 144222430 its reverse (34222441), we get a palindrome (178444871).

The spelling of 144222430 in words is "one hundred forty-four million, two hundred twenty-two thousand, four hundred thirty".