224136428 has 6 divisors (see below), whose sum is σ = 392238756. Its totient is φ = 112068212.

The previous prime is 224136427. The next prime is 224136433. The reversal of 224136428 is 824631422.

224136428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 224136394 and 224136403.

It is not an unprimeable number, because it can be changed into a prime (224136427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28017050 + ... + 28017057.

It is an arithmetic number, because the mean of its divisors is an integer number (65373126).

Almost surely, 2^224136428 is an apocalyptic number.

It is an amenable number.

224136428 is a deficient number, since it is larger than the sum of its proper divisors (168102328).

224136428 is a wasteful number, since it uses less digits than its factorization.

224136428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56034111 (or 56034109 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 224136428 is about 14971.1865929191. The cubic root of 224136428 is about 607.4410657095.

The spelling of 224136428 in words is "two hundred twenty-four million, one hundred thirty-six thousand, four hundred twenty-eight".