224401213444 has 12 divisors (see below), whose sum is σ = 395203412044. Its totient is φ = 111485952864.

The previous prime is 224401213417. The next prime is 224401213469. The reversal of 224401213444 is 444312104422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 172366128900 + 52035084544 = 415170^2 + 228112^2 .

It is a super-2 number, since 2×224401213444² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178662759 + ... + 178664014.

Almost surely, 2^224401213444 is an apocalyptic number.

It is an amenable number.

224401213444 is a deficient number, since it is larger than the sum of its proper divisors (170802198600).

224401213444 is a wasteful number, since it uses less digits than its factorization.

224401213444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357326934 (or 357326932 counting only the distinct ones).

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

Adding to 224401213444 its reverse (444312104422), we get a palindrome (668713317866).

The spelling of 224401213444 in words is "two hundred twenty-four billion, four hundred one million, two hundred thirteen thousand, four hundred forty-four".