22198754 has 8 divisors (see below), whose sum is σ = 33844188. Its totient is φ = 10917360.

The previous prime is 22198747. The next prime is 22198769. The reversal of 22198754 is 45789122.

It can be written as a sum of positive squares in 2 ways, for example, as 18258529 + 3940225 = 4273^2 + 1985^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 90857 + ... + 91100.

Almost surely, 2^22198754 is an apocalyptic number.

22198754 is a deficient number, since it is larger than the sum of its proper divisors (11645434).

22198754 is a wasteful number, since it uses less digits than its factorization.

22198754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182020.

The product of its digits is 40320, while the sum is 38.

The square root of 22198754 is about 4711.5553695144. Note that the first 3 decimals coincide. The cubic root of 22198754 is about 281.0452175812.

The spelling of 22198754 in words is "twenty-two million, one hundred ninety-eight thousand, seven hundred fifty-four".