223261247 has 8 divisors (see below), whose sum is σ = 244421760. Its totient is φ = 202244760.

The previous prime is 223261243. The next prime is 223261249. The reversal of 223261247 is 742162322.

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

It is a cyclic number.

It is not a de Polignac number, because 223261247 - 2² = 223261243 is a prime.

It is a super-3 number, since 3×223261247³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223261243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32747 + ... + 38972.

It is an arithmetic number, because the mean of its divisors is an integer number (30552720).

Almost surely, 2^223261247 is an apocalyptic number.

223261247 is a deficient number, since it is larger than the sum of its proper divisors (21160513).

223261247 is a wasteful number, since it uses less digits than its factorization.

223261247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72013.

The product of its digits is 8064, while the sum is 29.

The square root of 223261247 is about 14941.9291592485. The cubic root of 223261247 is about 606.6494134623.

The spelling of 223261247 in words is "two hundred twenty-three million, two hundred sixty-one thousand, two hundred forty-seven".