22040713 has 2 divisors, whose sum is σ = 22040714. Its totient is φ = 22040712.

The previous prime is 22040699. The next prime is 22040731. The reversal of 22040713 is 31704022.

Together with next prime (22040731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21930489 + 110224 = 4683^2 + 332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22040713 is a prime.

It is not a weakly prime, because it can be changed into another prime (22040773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020356 + 11020357.

It is an arithmetic number, because the mean of its divisors is an integer number (11020357).

Almost surely, 2^22040713 is an apocalyptic number.

It is an amenable number.

22040713 is a deficient number, since it is larger than the sum of its proper divisors (1).

22040713 is an equidigital number, since it uses as much as digits as its factorization.

22040713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 22040713 is about 4694.7537741611. The cubic root of 22040713 is about 280.3766741687.

Adding to 22040713 its reverse (31704022), we get a palindrome (53744735).

The spelling of 22040713 in words is "twenty-two million, forty thousand, seven hundred thirteen".