144227047267222 has 4 divisors (see below), whose sum is σ = 216340570900836. Its totient is φ = 72113523633610.

The previous prime is 144227047267211. The next prime is 144227047267223. The reversal of 144227047267222 is 222762740722441.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 144227047267222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144227047267223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36056761816804 + ... + 36056761816807.

It is an arithmetic number, because the mean of its divisors is an integer number (54085142725209).

Almost surely, 2^{144227047267222} is an apocalyptic number.

144227047267222 is a deficient number, since it is larger than the sum of its proper divisors (72113523633614).

144227047267222 is an equidigital number, since it uses as much as digits as its factorization.

144227047267222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72113523633613.

The product of its (nonzero) digits is 8429568, while the sum is 52.

Adding to 144227047267222 its reverse (222762740722441), we get a palindrome (366989787989663).

The spelling of 144227047267222 in words is "one hundred forty-four trillion, two hundred twenty-seven billion, forty-seven million, two hundred sixty-seven thousand, two hundred twenty-two".