224228426440 has 32 divisors (see below), whose sum is σ = 511425116280. Its totient is φ = 88462720512.

The previous prime is 224228426419. The next prime is 224228426473. The reversal of 224228426440 is 44624822422.

224228426440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 121317069636 + 102911356804 = 348306^2 + 320798^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 224228426393 and 224228426402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38392359 + ... + 38398198.

Almost surely, 2^224228426440 is an apocalyptic number.

224228426440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224228426440 is an abundant number, since it is smaller than the sum of its proper divisors (287196689840).

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

224228426440 is a wasteful number, since it uses less digits than its factorization.

224228426440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76790641 (or 76790637 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 40.

The spelling of 224228426440 in words is "two hundred twenty-four billion, two hundred twenty-eight million, four hundred twenty-six thousand, four hundred forty".