205222248547 has 2 divisors, whose sum is σ = 205222248548. Its totient is φ = 205222248546.

The previous prime is 205222248467. The next prime is 205222248593. The reversal of 205222248547 is 745842222502.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205222248547 is a prime.

It is a super-2 number, since 2×205222248547² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (205222240547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102611124273 + 102611124274.

It is an arithmetic number, because the mean of its divisors is an integer number (102611124274).

Almost surely, 2^205222248547 is an apocalyptic number.

205222248547 is a deficient number, since it is larger than the sum of its proper divisors (1).

205222248547 is an equidigital number, since it uses as much as digits as its factorization.

205222248547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 716800, while the sum is 43.

The spelling of 205222248547 in words is "two hundred five billion, two hundred twenty-two million, two hundred forty-eight thousand, five hundred forty-seven".