144202222 has 4 divisors (see below), whose sum is σ = 216303336. Its totient is φ = 72101110.

The previous prime is 144202217. The next prime is 144202243. The reversal of 144202222 is 222202441.

144202222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222202441 = 373 ⋅595717.

It is a self number, because there is not a number n which added to its sum of digits gives 144202222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36050554 + ... + 36050557.

It is an arithmetic number, because the mean of its divisors is an integer number (54075834).

Almost surely, 2^144202222 is an apocalyptic number.

144202222 is a deficient number, since it is larger than the sum of its proper divisors (72101114).

144202222 is an equidigital number, since it uses as much as digits as its factorization.

144202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72101113.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 144202222 is about 12008.4229605723. The cubic root of 144202222 is about 524.3935212846.

Adding to 144202222 its reverse (222202441), we get a palindrome (366404663).

The spelling of 144202222 in words is "one hundred forty-four million, two hundred two thousand, two hundred twenty-two".