223222304421 has 6 divisors (see below), whose sum is σ = 322432217510. Its totient is φ = 148814869608.

The previous prime is 223222304387. The next prime is 223222304453. The reversal of 223222304421 is 124403222322.

223222304421 is a `hidden beast` number, since 2 + 2 + 3 + 2 + 2 + 230 + 4 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128920493025 + 94301811396 = 359055^2 + 307086^2 .

It is not a de Polignac number, because 223222304421 - 2²⁵ = 223188749989 is a prime.

It is a super-3 number, since 3×223222304421³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223222300421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12401239126 + ... + 12401239143.

Almost surely, 2^223222304421 is an apocalyptic number.

It is an amenable number.

223222304421 is a deficient number, since it is larger than the sum of its proper divisors (99209913089).

223222304421 is a wasteful number, since it uses less digits than its factorization.

223222304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24802478275 (or 24802478272 counting only the distinct ones).

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

Adding to 223222304421 its reverse (124403222322), we get a palindrome (347625526743).

The spelling of 223222304421 in words is "two hundred twenty-three billion, two hundred twenty-two million, three hundred four thousand, four hundred twenty-one".