22256343 has 32 divisors (see below), whose sum is σ = 34145280. Its totient is φ = 14320800.

The previous prime is 22256329. The next prime is 22256347. The reversal of 22256343 is 34365222.

22256343 is a `hidden beast` number, since 2 + 2 + 25 + 634 + 3 = 666.

It is not a de Polignac number, because 22256343 - 2¹³ = 22248151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22256347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147318 + ... + 147468.

It is an arithmetic number, because the mean of its divisors is an integer number (1067040).

Almost surely, 2^22256343 is an apocalyptic number.

22256343 is a deficient number, since it is larger than the sum of its proper divisors (11888937).

22256343 is a wasteful number, since it uses less digits than its factorization.

22256343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 310 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 22256343 is about 4717.6628747718. The cubic root of 22256343 is about 281.2880410767.

It can be divided in two parts, 222 and 56343, that added together give a palindrome (56565).

The spelling of 22256343 in words is "twenty-two million, two hundred fifty-six thousand, three hundred forty-three".