222423404321144 has 16 divisors (see below), whose sum is σ = 449124181802520. Its totient is φ = 102656955840480.

The previous prime is 222423404321143. The next prime is 222423404321189. The reversal of 222423404321144 is 441123404324222.

It is a super-2 number, since 2×222423404321144² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222423404321098 and 222423404321107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222423404321141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069343289902 + ... + 1069343290109.

Almost surely, 2^{222423404321144} is an apocalyptic number.

It is an amenable number.

222423404321144 is an abundant number, since it is smaller than the sum of its proper divisors (226700777481376).

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

222423404321144 is a wasteful number, since it uses less digits than its factorization.

222423404321144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138686580030 (or 2138686580026 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 222423404321144 its reverse (441123404324222), we get a palindrome (663546808645366).

The spelling of 222423404321144 in words is "two hundred twenty-two trillion, four hundred twenty-three billion, four hundred four million, three hundred twenty-one thousand, one hundred forty-four".