1522989705 has 16 divisors (see below), whose sum is σ = 2458350720. Its totient is φ = 805072128.

The previous prime is 1522989679. The next prime is 1522989709. The reversal of 1522989705 is 5079892251.

It is not a de Polignac number, because 1522989705 - 2⁷ = 1522989577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1522989709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447565 + ... + 450954.

It is an arithmetic number, because the mean of its divisors is an integer number (153646920).

Almost surely, 2^1522989705 is an apocalyptic number.

1522989705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1522989705 is a deficient number, since it is larger than the sum of its proper divisors (935361015).

1522989705 is a wasteful number, since it uses less digits than its factorization.

1522989705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898640.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 1522989705 is about 39025.5007014644. The cubic root of 1522989705 is about 1150.5327600816.

The spelling of 1522989705 in words is "one billion, five hundred twenty-two million, nine hundred eighty-nine thousand, seven hundred five".