223442471 has 8 divisors (see below), whose sum is σ = 257623584. Its totient is φ = 189826560.

The previous prime is 223442449. The next prime is 223442473. The reversal of 223442471 is 174244322.

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

It is a de Polignac number, because none of the positive numbers 2^k-223442471 is a prime.

It is a super-3 number, since 3×223442471³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223442473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140450 + ... + 142031.

It is an arithmetic number, because the mean of its divisors is an integer number (32202948).

Almost surely, 2^223442471 is an apocalyptic number.

223442471 is a deficient number, since it is larger than the sum of its proper divisors (34181113).

223442471 is a wasteful number, since it uses less digits than its factorization.

223442471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282601.

The product of its digits is 10752, while the sum is 29.

The square root of 223442471 is about 14947.9922063132. The cubic root of 223442471 is about 606.8135107575.

Adding to 223442471 its reverse (174244322), we get a palindrome (397686793).

The spelling of 223442471 in words is "two hundred twenty-three million, four hundred forty-two thousand, four hundred seventy-one".