223222429981 has 2 divisors, whose sum is σ = 223222429982. Its totient is φ = 223222429980.

The previous prime is 223222429949. The next prime is 223222430047. The reversal of 223222429981 is 189924222322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222713205625 + 509224356 = 471925^2 + 22566^2 .

It is a cyclic number.

It is not a de Polignac number, because 223222429981 - 2⁵ = 223222429949 is a prime.

It is a super-3 number, since 3×223222429981³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223222429931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111611214990 + 111611214991.

It is an arithmetic number, because the mean of its divisors is an integer number (111611214991).

Almost surely, 2^223222429981 is an apocalyptic number.

It is an amenable number.

223222429981 is a deficient number, since it is larger than the sum of its proper divisors (1).

223222429981 is an equidigital number, since it uses as much as digits as its factorization.

223222429981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 46.

The spelling of 223222429981 in words is "two hundred twenty-three billion, two hundred twenty-two million, four hundred twenty-nine thousand, nine hundred eighty-one".