22056473 has 4 divisors (see below), whose sum is σ = 23217360. Its totient is φ = 20895588.

The previous prime is 22056449. The next prime is 22056487. The reversal of 22056473 is 37465022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22056473 - 2⁶ = 22056409 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 580415 + ... + 580452.

It is an arithmetic number, because the mean of its divisors is an integer number (5804340).

Almost surely, 2^22056473 is an apocalyptic number.

It is an amenable number.

22056473 is a deficient number, since it is larger than the sum of its proper divisors (1160887).

22056473 is a wasteful number, since it uses less digits than its factorization.

22056473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160886.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 22056473 is about 4696.4319435078. The cubic root of 22056473 is about 280.4434851291.

The spelling of 22056473 in words is "twenty-two million, fifty-six thousand, four hundred seventy-three".