223486281 has 12 divisors (see below), whose sum is σ = 322948080. Its totient is φ = 148928760.

The previous prime is 223486261. The next prime is 223486283. The reversal of 223486281 is 182684322.

223486281 is a `hidden beast` number, since 2 + 23 + 4 + 8 + 628 + 1 = 666.

It is not a de Polignac number, because 223486281 - 2¹⁹ = 222961993 is a prime.

It is a super-2 number, since 2×223486281² = 99892235590421922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223486283) by changing a digit.

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, 30726 + ... + 37296.

It is an arithmetic number, because the mean of its divisors is an integer number (26912340).

Almost surely, 2^223486281 is an apocalyptic number.

It is an amenable number.

223486281 is a deficient number, since it is larger than the sum of its proper divisors (99461799).

223486281 is a wasteful number, since it uses less digits than its factorization.

223486281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10356 (or 10353 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 223486281 is about 14949.4575486872. The cubic root of 223486281 is about 606.8531671435.

The spelling of 223486281 in words is "two hundred twenty-three million, four hundred eighty-six thousand, two hundred eighty-one".