224002746 has 56 divisors (see below), whose sum is σ = 549612864. Its totient is φ = 67874760.

The previous prime is 224002741. The next prime is 224002747. The reversal of 224002746 is 647200422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (224002741) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 9055 + ... + 23021.

Almost surely, 2^224002746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224002746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274806432).

224002746 is an abundant number, since it is smaller than the sum of its proper divisors (325610118).

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

224002746 is a wasteful number, since it uses less digits than its factorization.

224002746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13998 (or 13983 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 224002746 is about 14966.7212842359. The cubic root of 224002746 is about 607.3202760535.

The spelling of 224002746 in words is "two hundred twenty-four million, two thousand, seven hundred forty-six".