223561641 has 8 divisors (see below), whose sum is σ = 298404064. Its totient is φ = 148880160.

The previous prime is 223561589. The next prime is 223561651. The reversal of 223561641 is 146165322.

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

It is not a de Polignac number, because 223561641 - 2¹⁵ = 223528873 is a prime.

It is a super-2 number, since 2×223561641² = 99959614653225762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223561599 and 223561608.

It is not an unprimeable number, because it can be changed into a prime (223561651) 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, 36955 + ... + 42576.

It is an arithmetic number, because the mean of its divisors is an integer number (37300508).

Almost surely, 2^223561641 is an apocalyptic number.

It is an amenable number.

223561641 is a deficient number, since it is larger than the sum of its proper divisors (74842423).

223561641 is an equidigital number, since it uses as much as digits as its factorization.

223561641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80471.

The product of its digits is 8640, while the sum is 30.

The square root of 223561641 is about 14951.9778290365. The cubic root of 223561641 is about 606.9213701597.

The spelling of 223561641 in words is "two hundred twenty-three million, five hundred sixty-one thousand, six hundred forty-one".