22056361 has 8 divisors (see below), whose sum is σ = 23427360. Its totient is φ = 20693568.

The previous prime is 22056347. The next prime is 22056371. The reversal of 22056361 is 16365022.

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 22056361 - 2¹⁵ = 22023593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22056311) 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 7 ways as a sum of consecutive naturals, for example, 4030 + ... + 7768.

It is an arithmetic number, because the mean of its divisors is an integer number (2928420).

Almost surely, 2^22056361 is an apocalyptic number.

It is an amenable number.

22056361 is a deficient number, since it is larger than the sum of its proper divisors (1370999).

22056361 is a wasteful number, since it uses less digits than its factorization.

22056361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22056361 is about 4696.4200195468. The cubic root of 22056361 is about 280.4430104427.

The spelling of 22056361 in words is "twenty-two million, fifty-six thousand, three hundred sixty-one".