2216007878 has 32 divisors (see below), whose sum is σ = 3897393408. Its totient is φ = 925380000.

The previous prime is 2216007853. The next prime is 2216007923. The reversal of 2216007878 is 8787006122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79253 + ... + 103503.

It is an arithmetic number, because the mean of its divisors is an integer number (121793544).

Almost surely, 2^2216007878 is an apocalyptic number.

2216007878 is a deficient number, since it is larger than the sum of its proper divisors (1681385530).

2216007878 is a wasteful number, since it uses less digits than its factorization.

2216007878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24428.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 2216007878 is about 47074.4928597218. The cubic root of 2216007878 is about 1303.7383279845.

The spelling of 2216007878 in words is "two billion, two hundred sixteen million, seven thousand, eight hundred seventy-eight".