2208390819 has 8 divisors (see below), whose sum is σ = 2988469440. Its totient is φ = 1450286376.

The previous prime is 2208390791. The next prime is 2208390823. The reversal of 2208390819 is 9180938022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2208390819 - 2⁵ = 2208390787 is a prime.

It is a super-2 number, since 2×2208390819² = 9753980018886981522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2208390859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5493309 + ... + 5493710.

It is an arithmetic number, because the mean of its divisors is an integer number (373558680).

Almost surely, 2^2208390819 is an apocalyptic number.

2208390819 is a deficient number, since it is larger than the sum of its proper divisors (780078621).

2208390819 is a wasteful number, since it uses less digits than its factorization.

2208390819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10987089.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2208390819 is about 46993.5189042064. The cubic root of 2208390819 is about 1302.2428381574.

The spelling of 2208390819 in words is "two billion, two hundred eight million, three hundred ninety thousand, eight hundred nineteen".