2117524442 has 12 divisors (see below), whose sum is σ = 3491290698. Its totient is φ = 962511000.

The previous prime is 2117524441. The next prime is 2117524447. The reversal of 2117524442 is 2444257112.

It can be written as a sum of positive squares in only one way, i.e., 1593526561 + 523997881 = 39919^2 + 22891^2 .

It is a super-2 number, since 2×2117524442² = 8967819524934822728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2117524399 and 2117524408.

It is not an unprimeable number, because it can be changed into a prime (2117524441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4374809 + ... + 4375292.

Almost surely, 2^2117524442 is an apocalyptic number.

2117524442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2117524442 is a deficient number, since it is larger than the sum of its proper divisors (1373766256).

2117524442 is a wasteful number, since it uses less digits than its factorization.

2117524442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8750125 (or 8750114 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 2117524442 is about 46016.5670384048. The cubic root of 2117524442 is about 1284.1314346260.

The spelling of 2117524442 in words is "two billion, one hundred seventeen million, five hundred twenty-four thousand, four hundred forty-two".