22609313 has 2 divisors, whose sum is σ = 22609314. Its totient is φ = 22609312.

The previous prime is 22609309. The next prime is 22609333. The reversal of 22609313 is 31390622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17447329 + 5161984 = 4177^2 + 2272^2 .

It is a cyclic number.

It is not a de Polignac number, because 22609313 - 2² = 22609309 is a prime.

It is a super-2 number, since 2×22609313² = 1022362068663938, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22609333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11304656 + 11304657.

It is an arithmetic number, because the mean of its divisors is an integer number (11304657).

Almost surely, 2^22609313 is an apocalyptic number.

It is an amenable number.

22609313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22609313 is an equidigital number, since it uses as much as digits as its factorization.

22609313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 22609313 is about 4754.9251308512. The cubic root of 22609313 is about 282.7672590230.

Adding to 22609313 its reverse (31390622), we get a palindrome (53999935).

It can be divided in two parts, 22609 and 313, that added together give a palindrome (22922).

The spelling of 22609313 in words is "twenty-two million, six hundred nine thousand, three hundred thirteen".