22056459 has 8 divisors (see below), whose sum is σ = 29596560. Its totient is φ = 14610336.

The previous prime is 22056449. The next prime is 22056487. The reversal of 22056459 is 95465022.

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

It is not a de Polignac number, because 22056459 - 2¹⁵ = 22023691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22056409) 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, 22944 + ... + 23885.

It is an arithmetic number, because the mean of its divisors is an integer number (3699570).

Almost surely, 2^22056459 is an apocalyptic number.

22056459 is a deficient number, since it is larger than the sum of its proper divisors (7540101).

22056459 is a wasteful number, since it uses less digits than its factorization.

22056459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46989.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 22056459 is about 4696.4304530143. The cubic root of 22056459 is about 280.4434257934.

The spelling of 22056459 in words is "twenty-two million, fifty-six thousand, four hundred fifty-nine".