2208069990 has 256 divisors, whose sum is σ = 7502284800. Its totient is φ = 449888256.

The previous prime is 2208069959. The next prime is 2208070001. The reversal of 2208069990 is 999608022.

2208069990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 608662 + ... + 612278.

It is an arithmetic number, because the mean of its divisors is an integer number (29305800).

Almost surely, 2^2208069990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2208069990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3751142400).

2208069990 is an abundant number, since it is smaller than the sum of its proper divisors (5294214810).

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

2208069990 is a wasteful number, since it uses less digits than its factorization.

2208069990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676 (or 3670 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 2208069990 is about 46990.1052350386. The cubic root of 2208069990 is about 1302.1797730064.

The spelling of 2208069990 in words is "two billion, two hundred eight million, sixty-nine thousand, nine hundred ninety".