22422313 has 4 divisors (see below), whose sum is σ = 22437828. Its totient is φ = 22406800.

The previous prime is 22422311. The next prime is 22422317. The reversal of 22422313 is 31322422.

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 16257024 + 6165289 = 4032^2 + 2483^2 .

It is a cyclic number.

It is not a de Polignac number, because 22422313 - 2¹ = 22422311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22422311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5338 + ... + 8563.

It is an arithmetic number, because the mean of its divisors is an integer number (5609457).

Almost surely, 2^22422313 is an apocalyptic number.

It is an amenable number.

22422313 is a deficient number, since it is larger than the sum of its proper divisors (15515).

22422313 is a wasteful number, since it uses less digits than its factorization.

22422313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15514.

The product of its digits is 576, while the sum is 19.

The square root of 22422313 is about 4735.2204806112. The cubic root of 22422313 is about 281.9855172550.

Adding to 22422313 its reverse (31322422), we get a palindrome (53744735).

The spelling of 22422313 in words is "twenty-two million, four hundred twenty-two thousand, three hundred thirteen".