22033222301813 has 2 divisors, whose sum is σ = 22033222301814. Its totient is φ = 22033222301812.

The previous prime is 22033222301809. The next prime is 22033222301861. The reversal of 22033222301813 is 31810322233022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21565779346609 + 467442955204 = 4643897^2 + 683698^2 .

It is a cyclic number.

It is not a de Polignac number, because 22033222301813 - 2² = 22033222301809 is a prime.

It is a super-2 number, since 2×22033222301813² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22033222301813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22033222301803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11016611150906 + 11016611150907.

It is an arithmetic number, because the mean of its divisors is an integer number (11016611150907).

Almost surely, 2^{22033222301813} is an apocalyptic number.

It is an amenable number.

22033222301813 is a deficient number, since it is larger than the sum of its proper divisors (1).

22033222301813 is an equidigital number, since it uses as much as digits as its factorization.

22033222301813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 22033222301813 its reverse (31810322233022), we get a palindrome (53843544534835).

The spelling of 22033222301813 in words is "twenty-two trillion, thirty-three billion, two hundred twenty-two million, three hundred one thousand, eight hundred thirteen".