2005707122 has 4 divisors (see below), whose sum is σ = 3008560686. Its totient is φ = 1002853560.

The previous prime is 2005707113. The next prime is 2005707133. The reversal of 2005707122 is 2217075002.

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., 1934152441 + 71554681 = 43979^2 + 8459^2 .

It is a super-2 number, since 2×2005707122² = 8045722118483045768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2005707091 and 2005707100.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 501426779 + ... + 501426782.

Almost surely, 2^2005707122 is an apocalyptic number.

2005707122 is a deficient number, since it is larger than the sum of its proper divisors (1002853564).

2005707122 is a wasteful number, since it uses less digits than its factorization.

2005707122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002853563.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 2005707122 is about 44785.1216588724. The cubic root of 2005707122 is about 1261.1183323002.

The spelling of 2005707122 in words is "two billion, five million, seven hundred seven thousand, one hundred twenty-two".