1422529649 has 2 divisors, whose sum is σ = 1422529650. Its totient is φ = 1422529648.

The previous prime is 1422529627. The next prime is 1422529657. The reversal of 1422529649 is 9469252241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 723879025 + 698650624 = 26905^2 + 26432^2 .

It is a cyclic number.

It is not a de Polignac number, because 1422529649 - 2¹² = 1422525553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422529049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711264824 + 711264825.

It is an arithmetic number, because the mean of its divisors is an integer number (711264825).

Almost surely, 2^1422529649 is an apocalyptic number.

It is an amenable number.

1422529649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422529649 is an equidigital number, since it uses as much as digits as its factorization.

1422529649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 1422529649 is about 37716.4373847796. The cubic root of 1422529649 is about 1124.6579105396.

The spelling of 1422529649 in words is "one billion, four hundred twenty-two million, five hundred twenty-nine thousand, six hundred forty-nine".