22220366869 has 2 divisors, whose sum is σ = 22220366870. Its totient is φ = 22220366868.

The previous prime is 22220366821. The next prime is 22220366873. The reversal of 22220366869 is 96866302222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20753859844 + 1466507025 = 144062^2 + 38295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22220366869 is a prime.

It is a super-2 number, since 2×22220366869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22220366369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110183434 + 11110183435.

It is an arithmetic number, because the mean of its divisors is an integer number (11110183435).

Almost surely, 2^22220366869 is an apocalyptic number.

It is an amenable number.

22220366869 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220366869 is an equidigital number, since it uses as much as digits as its factorization.

22220366869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 22220366869 in words is "twenty-two billion, two hundred twenty million, three hundred sixty-six thousand, eight hundred sixty-nine".