22200212202061 has 2 divisors, whose sum is σ = 22200212202062. Its totient is φ = 22200212202060.

The previous prime is 22200212202019. The next prime is 22200212202127. The reversal of 22200212202061 is 16020221200222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15705329370025 + 6494882832036 = 3962995^2 + 2548506^2 .

It is a cyclic number.

It is not a de Polignac number, because 22200212202061 - 2⁷ = 22200212201933 is a prime.

It is a super-2 number, since 2×22200212202061² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22200212202001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100106101030 + 11100106101031.

It is an arithmetic number, because the mean of its divisors is an integer number (11100106101031).

Almost surely, 2^{22200212202061} is an apocalyptic number.

It is an amenable number.

22200212202061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22200212202061 is an equidigital number, since it uses as much as digits as its factorization.

22200212202061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22200212202061 its reverse (16020221200222), we get a palindrome (38220433402283).

The spelling of 22200212202061 in words is "twenty-two trillion, two hundred billion, two hundred twelve million, two hundred two thousand, sixty-one".