22803013 has 2 divisors, whose sum is σ = 22803014. Its totient is φ = 22803012.

The previous prime is 22802971. The next prime is 22803041. The reversal of 22803013 is 31030822.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16136289 + 6666724 = 4017^2 + 2582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22803013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22803713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11401506 + 11401507.

It is an arithmetic number, because the mean of its divisors is an integer number (11401507).

Almost surely, 2^22803013 is an apocalyptic number.

It is an amenable number.

22803013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22803013 is an equidigital number, since it uses as much as digits as its factorization.

22803013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 22803013 is about 4775.2500458091. The cubic root of 22803013 is about 283.5724779879.

Adding to 22803013 its reverse (31030822), we get a palindrome (53833835).

The spelling of 22803013 in words is "twenty-two million, eight hundred three thousand, thirteen".