222644363 has 2 divisors, whose sum is σ = 222644364. Its totient is φ = 222644362.

The previous prime is 222644351. The next prime is 222644377. The reversal of 222644363 is 363446222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222644363 - 2¹⁶ = 222578827 is a prime.

It is not a weakly prime, because it can be changed into another prime (222644333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111322181 + 111322182.

It is an arithmetic number, because the mean of its divisors is an integer number (111322182).

Almost surely, 2^222644363 is an apocalyptic number.

222644363 is a deficient number, since it is larger than the sum of its proper divisors (1).

222644363 is an equidigital number, since it uses as much as digits as its factorization.

222644363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 32.

The square root of 222644363 is about 14921.2721642627. The cubic root of 222644363 is about 606.0901620215.

The spelling of 222644363 in words is "two hundred twenty-two million, six hundred forty-four thousand, three hundred sixty-three".