22220743009 has 2 divisors, whose sum is σ = 22220743010. Its totient is φ = 22220743008.

The previous prime is 22220742997. The next prime is 22220743019. The reversal of 22220743009 is 90034702222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21998822400 + 221920609 = 148320^2 + 14897^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220743009 - 2¹³ = 22220734817 is a prime.

It is a super-2 number, since 2×22220743009² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22220743019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110371504 + 11110371505.

It is an arithmetic number, because the mean of its divisors is an integer number (11110371505).

Almost surely, 2^22220743009 is an apocalyptic number.

It is an amenable number.

22220743009 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220743009 is an equidigital number, since it uses as much as digits as its factorization.

22220743009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 22220743009 in words is "twenty-two billion, two hundred twenty million, seven hundred forty-three thousand, nine".