2215147886 has 16 divisors (see below), whose sum is σ = 3850882560. Its totient is φ = 935977560.

The previous prime is 2215147867. The next prime is 2215147901. The reversal of 2215147886 is 6887415122.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113266 + ... + 1115253.

It is an arithmetic number, because the mean of its divisors is an integer number (240680160).

Almost surely, 2^2215147886 is an apocalyptic number.

2215147886 is a deficient number, since it is larger than the sum of its proper divisors (1635734674).

2215147886 is a wasteful number, since it uses less digits than its factorization.

2215147886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228599.

The product of its digits is 215040, while the sum is 44.

The square root of 2215147886 is about 47065.3575998313. The cubic root of 2215147886 is about 1303.5696538545.

The spelling of 2215147886 in words is "two billion, two hundred fifteen million, one hundred forty-seven thousand, eight hundred eighty-six".