223454736 has 60 divisors (see below), whose sum is σ = 628617132. Its totient is φ = 74097408.

The previous prime is 223454701. The next prime is 223454741. The reversal of 223454736 is 637454322.

It can be written as a sum of positive squares in 2 ways, for example, as 140280336 + 83174400 = 11844^2 + 9120^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 223454736.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24430 + ... + 32306.

Almost surely, 2^223454736 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 223454736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314308566).

223454736 is an abundant number, since it is smaller than the sum of its proper divisors (405162396).

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

223454736 is a wasteful number, since it uses less digits than its factorization.

223454736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8088 (or 8079 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 223454736 is about 14948.4024564500. The cubic root of 223454736 is about 606.8246134387.

The spelling of 223454736 in words is "two hundred twenty-three million, four hundred fifty-four thousand, seven hundred thirty-six".