222680387 has 2 divisors, whose sum is σ = 222680388. Its totient is φ = 222680386.

The previous prime is 222680369. The next prime is 222680431. The reversal of 222680387 is 783086222.

222680387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222680387 - 2⁸ = 222680131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222680387.

It is not a weakly prime, because it can be changed into another prime (222640387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111340193 + 111340194.

It is an arithmetic number, because the mean of its divisors is an integer number (111340194).

Almost surely, 2^222680387 is an apocalyptic number.

222680387 is a deficient number, since it is larger than the sum of its proper divisors (1).

222680387 is an equidigital number, since it uses as much as digits as its factorization.

222680387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 222680387 is about 14922.4792511164. The cubic root of 222680387 is about 606.1228488503.

The spelling of 222680387 in words is "two hundred twenty-two million, six hundred eighty thousand, three hundred eighty-seven".