222284233981 has 2 divisors, whose sum is σ = 222284233982. Its totient is φ = 222284233980.

The previous prime is 222284233967. The next prime is 222284234017. The reversal of 222284233981 is 189332482222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220744927225 + 1539306756 = 469835^2 + 39234^2 .

It is a cyclic number.

It is not a de Polignac number, because 222284233981 - 2¹⁵ = 222284201213 is a prime.

It is a super-2 number, since 2×222284233981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222284233181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111142116990 + 111142116991.

It is an arithmetic number, because the mean of its divisors is an integer number (111142116991).

Almost surely, 2^222284233981 is an apocalyptic number.

It is an amenable number.

222284233981 is a deficient number, since it is larger than the sum of its proper divisors (1).

222284233981 is an equidigital number, since it uses as much as digits as its factorization.

222284233981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 46.

The spelling of 222284233981 in words is "two hundred twenty-two billion, two hundred eighty-four million, two hundred thirty-three thousand, nine hundred eighty-one".