1422985747 has 2 divisors, whose sum is σ = 1422985748. Its totient is φ = 1422985746.

The previous prime is 1422985703. The next prime is 1422985783. The reversal of 1422985747 is 7475892241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422985747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1422985747.

It is not a weakly prime, because it can be changed into another prime (1422985147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711492873 + 711492874.

It is an arithmetic number, because the mean of its divisors is an integer number (711492874).

Almost surely, 2^1422985747 is an apocalyptic number.

1422985747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422985747 is an equidigital number, since it uses as much as digits as its factorization.

1422985747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 49.

The square root of 1422985747 is about 37722.4833090294. The cubic root of 1422985747 is about 1124.7780953601.

The spelling of 1422985747 in words is "one billion, four hundred twenty-two million, nine hundred eighty-five thousand, seven hundred forty-seven".