2216835140 has 48 divisors (see below), whose sum is σ = 5069841840. Its totient is φ = 809318400.

The previous prime is 2216835121. The next prime is 2216835149. The reversal of 2216835140 is 415386122.

It can be written as a sum of positive squares in 8 ways, for example, as 194714116 + 2022121024 = 13954^2 + 44968^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2216835097 and 2216835106.

It is not an unprimeable number, because it can be changed into a prime (2216835149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24761 + ... + 71040.

It is an arithmetic number, because the mean of its divisors is an integer number (105621705).

Almost surely, 2^2216835140 is an apocalyptic number.

2216835140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2216835140 is an abundant number, since it is smaller than the sum of its proper divisors (2853006700).

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

2216835140 is a wasteful number, since it uses less digits than its factorization.

2216835140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95912 (or 95910 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2216835140 is about 47083.2787728297. The cubic root of 2216835140 is about 1303.9005414564.

The spelling of 2216835140 in words is "two billion, two hundred sixteen million, eight hundred thirty-five thousand, one hundred forty".