22856485 has 4 divisors (see below), whose sum is σ = 27427788. Its totient is φ = 18285184.

The previous prime is 22856399. The next prime is 22856489. The reversal of 22856485 is 58465822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11282881 + 11573604 = 3359^2 + 3402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22856485 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22856489) 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, 2285644 + ... + 2285653.

It is an arithmetic number, because the mean of its divisors is an integer number (6856947).

Almost surely, 2^22856485 is an apocalyptic number.

It is an amenable number.

22856485 is a deficient number, since it is larger than the sum of its proper divisors (4571303).

22856485 is an equidigital number, since it uses as much as digits as its factorization.

22856485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571302.

The product of its digits is 153600, while the sum is 40.

The square root of 22856485 is about 4780.8456364957. The cubic root of 22856485 is about 283.7939596935.

The spelling of 22856485 in words is "twenty-two million, eight hundred fifty-six thousand, four hundred eighty-five".