222455941 has 2 divisors, whose sum is σ = 222455942. Its totient is φ = 222455940.

The previous prime is 222455939. The next prime is 222455983. The reversal of 222455941 is 149554222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179828100 + 42627841 = 13410^2 + 6529^2 .

It is a cyclic number.

It is not a de Polignac number, because 222455941 - 2¹ = 222455939 is a prime.

Together with 222455939, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 222455897 and 222455906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222455911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111227970 + 111227971.

It is an arithmetic number, because the mean of its divisors is an integer number (111227971).

Almost surely, 2^222455941 is an apocalyptic number.

It is an amenable number.

222455941 is a deficient number, since it is larger than the sum of its proper divisors (1).

222455941 is an equidigital number, since it uses as much as digits as its factorization.

222455941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 34.

The square root of 222455941 is about 14914.9569560224. The cubic root of 222455941 is about 605.9191374784.

The spelling of 222455941 in words is "two hundred twenty-two million, four hundred fifty-five thousand, nine hundred forty-one".