2216624670 has 128 divisors (see below), whose sum is σ = 6387292800. Its totient is φ = 543780864.

The previous prime is 2216624623. The next prime is 2216624737. The reversal of 2216624670 is 764266122.

2216624670 is a `hidden beast` number, since 2 + 21 + 6 + 624 + 6 + 7 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1238136 + ... + 1239924.

It is an arithmetic number, because the mean of its divisors is an integer number (49900725).

Almost surely, 2^2216624670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2216624670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3193646400).

2216624670 is an abundant number, since it is smaller than the sum of its proper divisors (4170668130).

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

2216624670 is a wasteful number, since it uses less digits than its factorization.

2216624670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2216624670 is about 47081.0436375406. The cubic root of 2216624670 is about 1303.8592753247.

The spelling of 2216624670 in words is "two billion, two hundred sixteen million, six hundred twenty-four thousand, six hundred seventy".