223222430421 has 16 divisors (see below), whose sum is σ = 331763253120. Its totient is φ = 148336443360.

The previous prime is 223222430413. The next prime is 223222430461. The reversal of 223222430421 is 124034222322.

223222430421 is a `hidden beast` number, since 2 + 2 + 3 + 222 + 430 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 223222430421 - 2³ = 223222430413 is a prime.

It is a super-3 number, since 3×223222430421³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223222430461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13283400 + ... + 13300193.

It is an arithmetic number, because the mean of its divisors is an integer number (20735203320).

Almost surely, 2^223222430421 is an apocalyptic number.

It is an amenable number.

223222430421 is a deficient number, since it is larger than the sum of its proper divisors (108540822699).

223222430421 is a wasteful number, since it uses less digits than its factorization.

223222430421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26583913 (or 26583907 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 223222430421 its reverse (124034222322), we get a palindrome (347256652743).

The spelling of 223222430421 in words is "two hundred twenty-three billion, two hundred twenty-two million, four hundred thirty thousand, four hundred twenty-one".