144221202 has 32 divisors (see below), whose sum is σ = 325752960. Its totient is φ = 47284560.

The previous prime is 144221179. The next prime is 144221213. The reversal of 144221202 is 202122441.

144221202 is a `hidden beast` number, since 1 + 442 + 21 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18598 + ... + 25185.

It is an arithmetic number, because the mean of its divisors is an integer number (10179780).

Almost surely, 2^144221202 is an apocalyptic number.

144221202 is an abundant number, since it is smaller than the sum of its proper divisors (181531758).

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

144221202 is a wasteful number, since it uses less digits than its factorization.

144221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43855 (or 43849 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 144221202 is about 12009.2132131959. The cubic root of 144221202 is about 524.4165272925.

Adding to 144221202 its reverse (202122441), we get a palindrome (346343643).

The spelling of 144221202 in words is "one hundred forty-four million, two hundred twenty-one thousand, two hundred two".