2163217522 has 4 divisors (see below), whose sum is σ = 3244826286. Its totient is φ = 1081608760.

The previous prime is 2163217501. The next prime is 2163217531. The reversal of 2163217522 is 2257123612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1528731801 + 634485721 = 39099^2 + 25189^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540804379 + ... + 540804382.

Almost surely, 2^2163217522 is an apocalyptic number.

2163217522 is a deficient number, since it is larger than the sum of its proper divisors (1081608764).

2163217522 is a wasteful number, since it uses less digits than its factorization.

2163217522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081608763.

The product of its digits is 10080, while the sum is 31.

The square root of 2163217522 is about 46510.4022988406. The cubic root of 2163217522 is about 1293.3023419759.

The spelling of 2163217522 in words is "two billion, one hundred sixty-three million, two hundred seventeen thousand, five hundred twenty-two".