222144440413 has 32 divisors (see below), whose sum is σ = 269680435200. Its totient is φ = 178862656896.

The previous prime is 222144440303. The next prime is 222144440443. The reversal of 222144440413 is 314044441222.

It is a happy number.

It is not a de Polignac number, because 222144440413 - 2¹³ = 222144432221 is a prime.

It is a super-2 number, since 2×222144440413² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222144440443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9801148 + ... + 9823786.

It is an arithmetic number, because the mean of its divisors is an integer number (8427513600).

Almost surely, 2^222144440413 is an apocalyptic number.

222144440413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

222144440413 is a deficient number, since it is larger than the sum of its proper divisors (47535994787).

222144440413 is a wasteful number, since it uses less digits than its factorization.

222144440413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23761.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 222144440413 its reverse (314044441222), we get a palindrome (536188881635).

The spelling of 222144440413 in words is "two hundred twenty-two billion, one hundred forty-four million, four hundred forty thousand, four hundred thirteen".