2221408834 has 32 divisors (see below), whose sum is σ = 3432574656. Its totient is φ = 1077857280.

The previous prime is 2221408829. The next prime is 2221408843. The reversal of 2221408834 is 4388041222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221408834.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3214429 + ... + 3215119.

It is an arithmetic number, because the mean of its divisors is an integer number (107267958).

Almost surely, 2^2221408834 is an apocalyptic number.

2221408834 is a deficient number, since it is larger than the sum of its proper divisors (1211165822).

2221408834 is a wasteful number, since it uses less digits than its factorization.

2221408834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 2221408834 is about 47131.8240045938. The cubic root of 2221408834 is about 1304.7966455985.

The spelling of 2221408834 in words is "two billion, two hundred twenty-one million, four hundred eight thousand, eight hundred thirty-four".