1022064247 has 2 divisors, whose sum is σ = 1022064248. Its totient is φ = 1022064246.

The previous prime is 1022064223. The next prime is 1022064289. The reversal of 1022064247 is 7424602201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022064247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022064217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511032123 + 511032124.

It is an arithmetic number, because the mean of its divisors is an integer number (511032124).

Almost surely, 2^1022064247 is an apocalyptic number.

1022064247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022064247 is an equidigital number, since it uses as much as digits as its factorization.

1022064247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 1022064247 is about 31969.7395516448. The cubic root of 1022064247 is about 1007.3013101282.

Adding to 1022064247 its reverse (7424602201), we get a palindrome (8446666448).

The spelling of 1022064247 in words is "one billion, twenty-two million, sixty-four thousand, two hundred forty-seven".