223148736 has 224 divisors, whose sum is σ = 699211200. Its totient is φ = 69672960.

The previous prime is 223148699. The next prime is 223148743. The reversal of 223148736 is 637841322.

It is a happy number.

223148736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223148736³ (a number of 26 digits) contains 333 as substring.

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

Its product of digits (48384) is a multiple of the sum of its prime divisors (168).

It is a self number, because there is not a number n which added to its sum of digits gives 223148736.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3056796 + ... + 3056868.

Almost surely, 2^223148736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223148736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349605600).

223148736 is an abundant number, since it is smaller than the sum of its proper divisors (476062464).

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

223148736 is a wasteful number, since it uses less digits than its factorization.

223148736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 168 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 223148736 is about 14938.1637425756. The cubic root of 223148736 is about 606.5474907122.

The spelling of 223148736 in words is "two hundred twenty-three million, one hundred forty-eight thousand, seven hundred thirty-six".