223461 has 12 divisors (see below), whose sum is σ = 368992. Its totient is φ = 127656.

The previous prime is 223441. The next prime is 223463. The reversal of 223461 is 164322.

It is a happy number.

It is not a de Polignac number, because 223461 - 2⁵ = 223429 is a prime.

It is a Duffinian number.

223461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1711 + ... + 1836.

2²²³⁴⁶¹ is an apocalyptic number.

223461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

223461 is a deficient number, since it is larger than the sum of its proper divisors (145531).

223461 is a wasteful number, since it uses less digits than its factorization.

223461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560 (or 3557 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 223461 is about 472.7166170128. The cubic root of 223461 is about 60.6830283661.

Adding to 223461 its reverse (164322), we get a palindrome (387783).

The spelling of 223461 in words is "two hundred twenty-three thousand, four hundred sixty-one".