22196455 has 16 divisors (see below), whose sum is σ = 28149120. Its totient is φ = 16774912.

The previous prime is 22196443. The next prime is 22196479. The reversal of 22196455 is 55469122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22196455 - 2⁵ = 22196423 is a prime.

It is a super-2 number, since 2×22196455² = 985365229134050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22196455.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5187 + ... + 8443.

It is an arithmetic number, because the mean of its divisors is an integer number (1759320).

Almost surely, 2^22196455 is an apocalyptic number.

22196455 is a deficient number, since it is larger than the sum of its proper divisors (5952665).

22196455 is a wasteful number, since it uses less digits than its factorization.

22196455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338.

The product of its digits is 21600, while the sum is 34.

The square root of 22196455 is about 4711.3113885626. The cubic root of 22196455 is about 281.0355151558.

The spelling of 22196455 in words is "twenty-two million, one hundred ninety-six thousand, four hundred fifty-five".