2208969312 has 192 divisors, whose sum is σ = 6672347136. Its totient is φ = 633346560.

The previous prime is 2208969281. The next prime is 2208969319. The reversal of 2208969312 is 2139698022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208969319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2501223 + ... + 2502105.

It is an arithmetic number, because the mean of its divisors is an integer number (34751808).

Almost surely, 2^2208969312 is an apocalyptic number.

2208969312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2208969312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3336173568).

2208969312 is an abundant number, since it is smaller than the sum of its proper divisors (4463377824).

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

2208969312 is a wasteful number, since it uses less digits than its factorization.

2208969312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2208969312 is about 46999.6735307810. The cubic root of 2208969312 is about 1302.3565367217.

The spelling of 2208969312 in words is "two billion, two hundred eight million, nine hundred sixty-nine thousand, three hundred twelve".