2209997472 has 48 divisors (see below), whose sum is σ = 5818542912. Its totient is φ = 734469120.

The previous prime is 2209997453. The next prime is 2209997497. The reversal of 2209997472 is 2747999022.

2209997472 is nontrivially palindromic in base 15.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804 + ... + 66507.

It is an arithmetic number, because the mean of its divisors is an integer number (121219644).

Almost surely, 2^2209997472 is an apocalyptic number.

It is an amenable number.

2209997472 is an abundant number, since it is smaller than the sum of its proper divisors (3608545440).

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

2209997472 is a wasteful number, since it uses less digits than its factorization.

2209997472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68661 (or 68653 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 2209997472 is about 47010.6102066331. The cubic root of 2209997472 is about 1302.5585650603.

The spelling of 2209997472 in words is "two billion, two hundred nine million, nine hundred ninety-seven thousand, four hundred seventy-two".