2220838156 has 12 divisors (see below), whose sum is σ = 3903589368. Its totient is φ = 1105526912.

The previous prime is 2220838141. The next prime is 2220838187. The reversal of 2220838156 is 6518380222.

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, 1222021 + ... + 1223836.

It is an arithmetic number, because the mean of its divisors is an integer number (325299114).

Almost surely, 2^2220838156 is an apocalyptic number.

It is an amenable number.

2220838156 is a deficient number, since it is larger than the sum of its proper divisors (1682751212).

2220838156 is a wasteful number, since it uses less digits than its factorization.

2220838156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446088 (or 2446086 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2220838156 is about 47125.7695533983. The cubic root of 2220838156 is about 1304.6849023208.

The spelling of 2220838156 in words is "two billion, two hundred twenty million, eight hundred thirty-eight thousand, one hundred fifty-six".