22040313 has 8 divisors (see below), whose sum is σ = 31115808. Its totient is φ = 13829184.

The previous prime is 22040303. The next prime is 22040353. The reversal of 22040313 is 31304022.

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

It is not a de Polignac number, because 22040313 - 2⁵ = 22040281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22040292 and 22040301.

It is not an unprimeable number, because it can be changed into a prime (22040303) 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 7 ways as a sum of consecutive naturals, for example, 216031 + ... + 216132.

It is an arithmetic number, because the mean of its divisors is an integer number (3889476).

Almost surely, 2^22040313 is an apocalyptic number.

It is an amenable number.

22040313 is a deficient number, since it is larger than the sum of its proper divisors (9075495).

22040313 is a wasteful number, since it uses less digits than its factorization.

22040313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432183.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22040313 is about 4694.7111732246. The cubic root of 22040313 is about 280.3749780447.

Adding to 22040313 its reverse (31304022), we get a palindrome (53344335).

The spelling of 22040313 in words is "twenty-two million, forty thousand, three hundred thirteen".