2206148887 has 4 divisors (see below), whose sum is σ = 2213197600. Its totient is φ = 2199100176.

The previous prime is 2206148831. The next prime is 2206148897. The reversal of 2206148887 is 7888416022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2206148887 - 2¹⁵ = 2206116119 is a prime.

It is a super-2 number, since 2×2206148887² = 9734185823222677538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206148897) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3523887 + ... + 3524512.

It is an arithmetic number, because the mean of its divisors is an integer number (553299400).

Almost surely, 2^2206148887 is an apocalyptic number.

2206148887 is a deficient number, since it is larger than the sum of its proper divisors (7048713).

2206148887 is an equidigital number, since it uses as much as digits as its factorization.

2206148887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7048712.

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 2206148887 is about 46969.6592174140. The cubic root of 2206148887 is about 1301.8020151558.

The spelling of 2206148887 in words is "two billion, two hundred six million, one hundred forty-eight thousand, eight hundred eighty-seven".