2422139985 has 24 divisors (see below), whose sum is σ = 4300778664. Its totient is φ = 1260299520.

The previous prime is 2422139963. The next prime is 2422140011. The reversal of 2422139985 is 5899312242.

2422139985 is a `hidden beast` number, since 2 + 422 + 139 + 98 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 286591041 + 2135548944 = 16929^2 + 46212^2 .

It is not a de Polignac number, because 2422139985 - 2⁷ = 2422139857 is a prime.

It is a super-4 number, since 4×2422139985⁴ (a number of 39 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2422139985.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654562 + ... + 658251.

It is an arithmetic number, because the mean of its divisors is an integer number (179199111).

Almost surely, 2^2422139985 is an apocalyptic number.

It is an amenable number.

2422139985 is a deficient number, since it is larger than the sum of its proper divisors (1878638679).

2422139985 is a wasteful number, since it uses less digits than its factorization.

2422139985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312865 (or 1312862 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 2422139985 is about 49215.2413892282. The cubic root of 2422139985 is about 1342.9703147064.

The spelling of 2422139985 in words is "two billion, four hundred twenty-two million, one hundred thirty-nine thousand, nine hundred eighty-five".