223032445 has 8 divisors (see below), whose sum is σ = 276272640. Its totient is φ = 172670160.

The previous prime is 223032413. The next prime is 223032457. The reversal of 223032445 is 544230322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223032445 - 2⁵ = 223032413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719305 + ... + 719614.

It is an arithmetic number, because the mean of its divisors is an integer number (34534080).

Almost surely, 2^223032445 is an apocalyptic number.

It is an amenable number.

223032445 is a deficient number, since it is larger than the sum of its proper divisors (53240195).

223032445 is a wasteful number, since it uses less digits than its factorization.

223032445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438955.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 223032445 is about 14934.2708225075. The cubic root of 223032445 is about 606.4421076808.

Adding to 223032445 its reverse (544230322), we get a palindrome (767262767).

The spelling of 223032445 in words is "two hundred twenty-three million, thirty-two thousand, four hundred forty-five".