223494732 has 36 divisors (see below), whose sum is σ = 566551440. Its totient is φ = 74286432.

The previous prime is 223494707. The next prime is 223494757. The reversal of 223494732 is 237494322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (223494707) and next prime (223494757).

It is a tau number, because it is divible by the number of its divisors (36).

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

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, 4278 + ... + 21570.

It is an arithmetic number, because the mean of its divisors is an integer number (15737540).

Almost surely, 2^223494732 is an apocalyptic number.

It is an amenable number.

223494732 is an abundant number, since it is smaller than the sum of its proper divisors (343056708).

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

223494732 is a wasteful number, since it uses less digits than its factorization.

223494732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17662 (or 17657 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 223494732 is about 14949.7401984115. The cubic root of 223494732 is about 606.8608163103.

The spelling of 223494732 in words is "two hundred twenty-three million, four hundred ninety-four thousand, seven hundred thirty-two".