22202200010981 has 2 divisors, whose sum is σ = 22202200010982. Its totient is φ = 22202200010980.

The previous prime is 22202200010911. The next prime is 22202200011023. The reversal of 22202200010981 is 18901000220222.

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., 21388173820225 + 814026190756 = 4624735^2 + 902234^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202200010981 - 2²² = 22202195816677 is a prime.

It is a super-2 number, since 2×22202200010981² (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 (22202200010911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101100005490 + 11101100005491.

It is an arithmetic number, because the mean of its divisors is an integer number (11101100005491).

Almost surely, 2^{22202200010981} is an apocalyptic number.

It is an amenable number.

22202200010981 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202200010981 is an equidigital number, since it uses as much as digits as its factorization.

22202200010981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 22202200010981 in words is "twenty-two trillion, two hundred two billion, two hundred million, ten thousand, nine hundred eighty-one".