22263847 has 4 divisors (see below), whose sum is σ = 22304376. Its totient is φ = 22223320.

The previous prime is 22263833. The next prime is 22263881. The reversal of 22263847 is 74836222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22263847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22263817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19429 + ... + 20542.

It is an arithmetic number, because the mean of its divisors is an integer number (5576094).

Almost surely, 2^22263847 is an apocalyptic number.

22263847 is a deficient number, since it is larger than the sum of its proper divisors (40529).

22263847 is an equidigital number, since it uses as much as digits as its factorization.

22263847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40528.

The product of its digits is 32256, while the sum is 34.

The square root of 22263847 is about 4718.4581168004. The cubic root of 22263847 is about 281.3196507662.

The spelling of 22263847 in words is "twenty-two million, two hundred sixty-three thousand, eight hundred forty-seven".