2258006642 has 8 divisors (see below), whose sum is σ = 3503803500. Its totient is φ = 1090072144.

The previous prime is 2258006603. The next prime is 2258006687. The reversal of 2258006642 is 2466008522.

It can be written as a sum of positive squares in 2 ways, for example, as 2098464481 + 159542161 = 45809^2 + 12631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2258006642² = 10197187990632232328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19465517 + ... + 19465632.

Almost surely, 2^2258006642 is an apocalyptic number.

2258006642 is a deficient number, since it is larger than the sum of its proper divisors (1245796858).

2258006642 is a wasteful number, since it uses less digits than its factorization.

2258006642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38931180.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 2258006642 is about 47518.4873707066. The cubic root of 2258006642 is about 1311.9231783947.

The spelling of 2258006642 in words is "two billion, two hundred fifty-eight million, six thousand, six hundred forty-two".