222861337 has 2 divisors, whose sum is σ = 222861338. Its totient is φ = 222861336.

The previous prime is 222861299. The next prime is 222861361. The reversal of 222861337 is 733168222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215619856 + 7241481 = 14684^2 + 2691^2 .

It is a cyclic number.

It is not a de Polignac number, because 222861337 - 2⁷ = 222861209 is a prime.

It is not a weakly prime, because it can be changed into another prime (222861437) 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, 111430668 + 111430669.

It is an arithmetic number, because the mean of its divisors is an integer number (111430669).

Almost surely, 2^222861337 is an apocalyptic number.

It is an amenable number.

222861337 is a deficient number, since it is larger than the sum of its proper divisors (1).

222861337 is an equidigital number, since it uses as much as digits as its factorization.

222861337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 222861337 is about 14928.5410204748. The cubic root of 222861337 is about 606.2869828008.

The spelling of 222861337 in words is "two hundred twenty-two million, eight hundred sixty-one thousand, three hundred thirty-seven".