224395812 has 48 divisors (see below), whose sum is σ = 588799680. Its totient is φ = 73894464.

The previous prime is 224395811. The next prime is 224395819. The reversal of 224395812 is 218593422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (224395811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3553 + ... + 21480.

It is an arithmetic number, because the mean of its divisors is an integer number (12266660).

Almost surely, 2^224395812 is an apocalyptic number.

It is an amenable number.

224395812 is an abundant number, since it is smaller than the sum of its proper divisors (364403868).

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

224395812 is a wasteful number, since it uses less digits than its factorization.

224395812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25129 (or 25121 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 224395812 is about 14979.8468617006. The cubic root of 224395812 is about 607.6752976820.

The spelling of 224395812 in words is "two hundred twenty-four million, three hundred ninety-five thousand, eight hundred twelve".