22056445 has 8 divisors (see below), whose sum is σ = 26715744. Its totient is φ = 17479824.

The previous prime is 22056413. The next prime is 22056449. The reversal of 22056445 is 54465022.

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

It is a cyclic number.

It is not a de Polignac number, because 22056445 - 2⁵ = 22056413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20079 + ... + 21148.

It is an arithmetic number, because the mean of its divisors is an integer number (3339468).

Almost surely, 2^22056445 is an apocalyptic number.

It is an amenable number.

22056445 is a deficient number, since it is larger than the sum of its proper divisors (4659299).

22056445 is a wasteful number, since it uses less digits than its factorization.

22056445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41339.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 22056445 is about 4696.4289625204. The cubic root of 22056445 is about 280.4433664577.

It can be divided in two parts, 220 and 56445, that added together give a palindrome (56665).

The spelling of 22056445 in words is "twenty-two million, fifty-six thousand, four hundred forty-five".