224642822440 has 32 divisors (see below), whose sum is σ = 516200532480. Its totient is φ = 87945274432.

The previous prime is 224642822431. The next prime is 224642822489. The reversal of 224642822440 is 44228246422.

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 = 224642822393 and 224642822402.

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, 59743552 + ... + 59747311.

It is an arithmetic number, because the mean of its divisors is an integer number (16131266640).

Almost surely, 2^224642822440 is an apocalyptic number.

224642822440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224642822440 is an abundant number, since it is smaller than the sum of its proper divisors (291557710040).

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

224642822440 is a wasteful number, since it uses less digits than its factorization.

224642822440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119490921 (or 119490917 counting only the distinct ones).

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

The spelling of 224642822440 in words is "two hundred twenty-four billion, six hundred forty-two million, eight hundred twenty-two thousand, four hundred forty".