22199894194 has 16 divisors (see below), whose sum is σ = 34116888960. Its totient is φ = 10827675040.

The previous prime is 22199894183. The next prime is 22199894219. The reversal of 22199894194 is 49149899122.

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, 742947 + ... + 772249.

It is an arithmetic number, because the mean of its divisors is an integer number (2132305560).

Almost surely, 2^22199894194 is an apocalyptic number.

22199894194 is a deficient number, since it is larger than the sum of its proper divisors (11916994766).

22199894194 is a wasteful number, since it uses less digits than its factorization.

22199894194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38585.

The product of its digits is 3359232, while the sum is 58.

The spelling of 22199894194 in words is "twenty-two billion, one hundred ninety-nine million, eight hundred ninety-four thousand, one hundred ninety-four".