2213158278 has 64 divisors (see below), whose sum is σ = 4598415360. Its totient is φ = 709706400.

The previous prime is 2213158249. The next prime is 2213158289. The reversal of 2213158278 is 8728513122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5134723 + ... + 5135153.

It is an arithmetic number, because the mean of its divisors is an integer number (71850240).

Almost surely, 2^2213158278 is an apocalyptic number.

2213158278 is an abundant number, since it is smaller than the sum of its proper divisors (2385257082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2213158278 is a wasteful number, since it uses less digits than its factorization.

2213158278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753.

The product of its digits is 53760, while the sum is 39.

The square root of 2213158278 is about 47044.2162013568. The cubic root of 2213158278 is about 1303.1792556147.

The spelling of 2213158278 in words is "two billion, two hundred thirteen million, one hundred fifty-eight thousand, two hundred seventy-eight".