2208821364 has 36 divisors (see below), whose sum is σ = 5877275040. Its totient is φ = 697522320.

The previous prime is 2208821359. The next prime is 2208821387. The reversal of 2208821364 is 4631288022.

2208821364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1613952 + ... + 1615319.

It is an arithmetic number, because the mean of its divisors is an integer number (163257640).

Almost surely, 2^2208821364 is an apocalyptic number.

It is an amenable number.

2208821364 is an abundant number, since it is smaller than the sum of its proper divisors (3668453676).

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

2208821364 is a wasteful number, since it uses less digits than its factorization.

2208821364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229300 (or 3229295 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2208821364 is about 46998.0995786000. The cubic root of 2208821364 is about 1302.3274605147.

The spelling of 2208821364 in words is "two billion, two hundred eight million, eight hundred twenty-one thousand, three hundred sixty-four".