222157782443 has 2 divisors, whose sum is σ = 222157782444. Its totient is φ = 222157782442.

The previous prime is 222157782409. The next prime is 222157782527. The reversal of 222157782443 is 344287751222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222157782443 - 2²⁶ = 222090673579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (222157788443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111078891221 + 111078891222.

It is an arithmetic number, because the mean of its divisors is an integer number (111078891222).

Almost surely, 2^222157782443 is an apocalyptic number.

222157782443 is a deficient number, since it is larger than the sum of its proper divisors (1).

222157782443 is an equidigital number, since it uses as much as digits as its factorization.

222157782443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1505280, while the sum is 47.

The spelling of 222157782443 in words is "two hundred twenty-two billion, one hundred fifty-seven million, seven hundred eighty-two thousand, four hundred forty-three".