2216645450 has 96 divisors (see below), whose sum is σ = 4566672000. Its totient is φ = 797126400.

The previous prime is 2216645429. The next prime is 2216645467. The reversal of 2216645450 is 545466122.

It is a self number, because there is not a number n which added to its sum of digits gives 2216645450.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1679891 + ... + 1681209.

It is an arithmetic number, because the mean of its divisors is an integer number (47569500).

Almost surely, 2^2216645450 is an apocalyptic number.

2216645450 is an abundant number, since it is smaller than the sum of its proper divisors (2350026550).

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

2216645450 is a wasteful number, since it uses less digits than its factorization.

2216645450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 2216645450 is about 47081.2643203217. The cubic root of 2216645450 is about 1303.8633497043.

The spelling of 2216645450 in words is "two billion, two hundred sixteen million, six hundred forty-five thousand, four hundred fifty".