144222207 has 8 divisors (see below), whose sum is σ = 192915840. Its totient is φ = 95838360.

The previous prime is 144222193. The next prime is 144222251. The reversal of 144222207 is 702222441.

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

It is not a de Polignac number, because 144222207 - 2⁷ = 144222079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144222277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76357 + ... + 78222.

It is an arithmetic number, because the mean of its divisors is an integer number (24114480).

Almost surely, 2^144222207 is an apocalyptic number.

144222207 is a deficient number, since it is larger than the sum of its proper divisors (48693633).

144222207 is a wasteful number, since it uses less digits than its factorization.

144222207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154893.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 144222207 is about 12009.2550559974. The cubic root of 144222207 is about 524.4177454153.

Adding to 144222207 its reverse (702222441), we get a palindrome (846444648).

The spelling of 144222207 in words is "one hundred forty-four million, two hundred twenty-two thousand, two hundred seven".