223894734 has 32 divisors (see below), whose sum is σ = 520439040. Its totient is φ = 62884992.

The previous prime is 223894711. The next prime is 223894739. The reversal of 223894734 is 437498322.

223894734 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223894739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42699 + ... + 47654.

It is an arithmetic number, because the mean of its divisors is an integer number (16263720).

Almost surely, 2^223894734 is an apocalyptic number.

223894734 is an abundant number, since it is smaller than the sum of its proper divisors (296544306).

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

223894734 is a wasteful number, since it uses less digits than its factorization.

223894734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90424.

The product of its digits is 290304, while the sum is 42.

The square root of 223894734 is about 14963.1124436061. The cubic root of 223894734 is about 607.2226456669. Note that the first 3 decimals are identical.

The spelling of 223894734 in words is "two hundred twenty-three million, eight hundred ninety-four thousand, seven hundred thirty-four".