2208211838 has 16 divisors (see below), whose sum is σ = 4008183264. Its totient is φ = 890707200.

The previous prime is 2208211813. The next prime is 2208211861. The reversal of 2208211838 is 8381128022.

It is a junction number, because it is equal to n+sod(n) for n = 2208211798 and 2208211807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4638863 + ... + 4639338.

It is an arithmetic number, because the mean of its divisors is an integer number (250511454).

Almost surely, 2^2208211838 is an apocalyptic number.

2208211838 is a deficient number, since it is larger than the sum of its proper divisors (1799971426).

2208211838 is a wasteful number, since it uses less digits than its factorization.

2208211838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278227.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 2208211838 is about 46991.6145498322. The cubic root of 2208211838 is about 1302.2076567302.

The spelling of 2208211838 in words is "two billion, two hundred eight million, two hundred eleven thousand, eight hundred thirty-eight".