22120386 has 8 divisors (see below), whose sum is σ = 44240784. Its totient is φ = 7373460.

The previous prime is 22120381. The next prime is 22120393. The reversal of 22120386 is 68302122.

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

22120386 is an admirable number.

It is a super-2 number, since 2×22120386² = 978622953577992, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22120381) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1843360 + ... + 1843371.

It is an arithmetic number, because the mean of its divisors is an integer number (5530098).

Almost surely, 2^22120386 is an apocalyptic number.

22120386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22120386 is a wasteful number, since it uses less digits than its factorization.

22120386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686736.

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

The square root of 22120386 is about 4703.2314423171. The cubic root of 22120386 is about 280.7141040916.

The spelling of 22120386 in words is "twenty-two million, one hundred twenty thousand, three hundred eighty-six".