222506363 has 2 divisors, whose sum is σ = 222506364. Its totient is φ = 222506362.

The previous prime is 222506329. The next prime is 222506399. The reversal of 222506363 is 363605222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222506363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222506563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111253181 + 111253182.

It is an arithmetic number, because the mean of its divisors is an integer number (111253182).

Almost surely, 2^222506363 is an apocalyptic number.

222506363 is a deficient number, since it is larger than the sum of its proper divisors (1).

222506363 is an equidigital number, since it uses as much as digits as its factorization.

222506363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 222506363 is about 14916.6471768960. The cubic root of 222506363 is about 605.9649133545.

The spelling of 222506363 in words is "two hundred twenty-two million, five hundred six thousand, three hundred sixty-three".