22196390 has 32 divisors (see below), whose sum is σ = 43040160. Its totient is φ = 8210944.

The previous prime is 22196371. The next prime is 22196423. The reversal of 22196390 is 9369122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8924 + ... + 11136.

It is an arithmetic number, because the mean of its divisors is an integer number (1345005).

Almost surely, 2^22196390 is an apocalyptic number.

22196390 is a deficient number, since it is larger than the sum of its proper divisors (20843770).

22196390 is a wasteful number, since it uses less digits than its factorization.

22196390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 22196390 is about 4711.3044902659. The cubic root of 22196390 is about 281.0352408278.

The spelling of 22196390 in words is "twenty-two million, one hundred ninety-six thousand, three hundred ninety".