222143211302144 has 72 divisors (see below), whose sum is σ = 487209533331360. Its totient is φ = 100247753779200.

The previous prime is 222143211302143. The next prime is 222143211302197. The reversal of 222143211302144 is 441203112341222.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 222143211302144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222143211302143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283371467 + ... + 284154314.

Almost surely, 2^{222143211302144} is an apocalyptic number.

It is an amenable number.

222143211302144 is an abundant number, since it is smaller than the sum of its proper divisors (265066322029216).

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

222143211302144 is a wasteful number, since it uses less digits than its factorization.

222143211302144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567525947 (or 567525933 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 222143211302144 its reverse (441203112341222), we get a palindrome (663346323643366).

The spelling of 222143211302144 in words is "two hundred twenty-two trillion, one hundred forty-three billion, two hundred eleven million, three hundred two thousand, one hundred forty-four".