22056415 has 8 divisors (see below), whose sum is σ = 26555760. Its totient is φ = 17586432.

The previous prime is 22056413. The next prime is 22056449. The reversal of 22056415 is 51465022.

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 22056415 - 2¹ = 22056413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22056415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056413) 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, 5650 + ... + 8719.

It is an arithmetic number, because the mean of its divisors is an integer number (3319470).

Almost surely, 2^22056415 is an apocalyptic number.

22056415 is a deficient number, since it is larger than the sum of its proper divisors (4499345).

22056415 is a wasteful number, since it uses less digits than its factorization.

22056415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14681.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 22056415 is about 4696.4257686032. The cubic root of 22056415 is about 280.4432393096.

The spelling of 22056415 in words is "twenty-two million, fifty-six thousand, four hundred fifteen".