22240194 has 16 divisors (see below), whose sum is σ = 44728320. Its totient is φ = 7372080.

The previous prime is 22240147. The next prime is 22240201. The reversal of 22240194 is 49104222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9154 + ... + 11325.

It is an arithmetic number, because the mean of its divisors is an integer number (2795520).

Almost surely, 2^22240194 is an apocalyptic number.

22240194 is an abundant number, since it is smaller than the sum of its proper divisors (22488126).

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

22240194 is a wasteful number, since it uses less digits than its factorization.

22240194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20665.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22240194 is about 4715.9510175573. The cubic root of 22240194 is about 281.2199912674.

The spelling of 22240194 in words is "twenty-two million, two hundred forty thousand, one hundred ninety-four".