223301421 has 64 divisors (see below), whose sum is σ = 395366400. Its totient is φ = 121867200.

The previous prime is 223301387. The next prime is 223301423. The reversal of 223301421 is 124103322.

It is not a de Polignac number, because 223301421 - 2¹⁵ = 223268653 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 223301394 and 223301403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223301423) 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 63 ways as a sum of consecutive naturals, for example, 717856 + ... + 718166.

It is an arithmetic number, because the mean of its divisors is an integer number (6177600).

Almost surely, 2^223301421 is an apocalyptic number.

223301421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

223301421 is a deficient number, since it is larger than the sum of its proper divisors (172064979).

223301421 is a wasteful number, since it uses less digits than its factorization.

223301421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 481 counting only the distinct ones).

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

The square root of 223301421 is about 14943.2734365667. The cubic root of 223301421 is about 606.6857984480.

Adding to 223301421 its reverse (124103322), we get a palindrome (347404743).

The spelling of 223301421 in words is "two hundred twenty-three million, three hundred one thousand, four hundred twenty-one".