1447022147 has 2 divisors, whose sum is σ = 1447022148. Its totient is φ = 1447022146.

The previous prime is 1447022113. The next prime is 1447022173. The reversal of 1447022147 is 7412207441.

It is a strong prime.

It is an emirp because it is prime and its reverse (7412207441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1447022147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1447022347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 723511073 + 723511074.

It is an arithmetic number, because the mean of its divisors is an integer number (723511074).

Almost surely, 2^1447022147 is an apocalyptic number.

1447022147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1447022147 is an equidigital number, since it uses as much as digits as its factorization.

1447022147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 1447022147 is about 38039.7443077632. The cubic root of 1447022147 is about 1131.0758404620.

Adding to 1447022147 its reverse (7412207441), we get a palindrome (8859229588).

The spelling of 1447022147 in words is "one billion, four hundred forty-seven million, twenty-two thousand, one hundred forty-seven".