22102313 has 4 divisors (see below), whose sum is σ = 22464708. Its totient is φ = 21739920.

The previous prime is 22102279. The next prime is 22102331. The reversal of 22102313 is 31320122.

It is a happy number.

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 2715904 + 19386409 = 1648^2 + 4403^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102313 - 2¹² = 22098217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102013) 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, 181106 + ... + 181227.

It is an arithmetic number, because the mean of its divisors is an integer number (5616177).

Almost surely, 2^22102313 is an apocalyptic number.

It is an amenable number.

22102313 is a deficient number, since it is larger than the sum of its proper divisors (362395).

22102313 is an equidigital number, since it uses as much as digits as its factorization.

22102313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362394.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 22102313 is about 4701.3097111337. The cubic root of 22102313 is about 280.6376327268.

Adding to 22102313 its reverse (31320122), we get a palindrome (53422435).

The spelling of 22102313 in words is "twenty-two million, one hundred two thousand, three hundred thirteen".