2208997512 has 108 divisors (see below), whose sum is σ = 6228725685. Its totient is φ = 707219520.

The previous prime is 2208997507. The next prime is 2208997523. The reversal of 2208997512 is 2157998022.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 2207684196 + 1313316 = 46986^2 + 1146^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11565337 + ... + 11565527.

Almost surely, 2^2208997512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2208997512

2208997512 is an abundant number, since it is smaller than the sum of its proper divisors (4019728173).

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

2208997512 is a wasteful number, since it uses less digits than its factorization.

2208997512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 2208997512 is about 46999.9735319074. The cubic root of 2208997512 is about 1302.3620787178.

The spelling of 2208997512 in words is "two billion, two hundred eight million, nine hundred ninety-seven thousand, five hundred twelve".