224764740 has 96 divisors (see below), whose sum is σ = 729711360. Its totient is φ = 57328128.

The previous prime is 224764697. The next prime is 224764753. The reversal of 224764740 is 47467422.

It is a happy number.

224764740 is a `hidden beast` number, since 2 + 2 + 4 + 7 + 647 + 4 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 224764695 and 224764704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3372 + ... + 21468.

It is an arithmetic number, because the mean of its divisors is an integer number (7601160).

Almost surely, 2^224764740 is an apocalyptic number.

224764740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224764740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364855680).

224764740 is an abundant number, since it is smaller than the sum of its proper divisors (504946620).

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

224764740 is a wasteful number, since it uses less digits than its factorization.

224764740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18138 (or 18130 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 224764740 is about 14992.1559490288. The cubic root of 224764740 is about 608.0081406170.

The spelling of 224764740 in words is "two hundred twenty-four million, seven hundred sixty-four thousand, seven hundred forty".