40222030309 has 2 divisors, whose sum is σ = 40222030310. Its totient is φ = 40222030308.

The previous prime is 40222030307. The next prime is 40222030357. The reversal of 40222030309 is 90303022204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37799914084 + 2422116225 = 194422^2 + 49215^2 .

It is a cyclic number.

It is not a de Polignac number, because 40222030309 - 2¹ = 40222030307 is a prime.

It is a super-2 number, since 2×40222030309² (a number of 22 digits) contains 22 as substring.

Together with 40222030307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40222030307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111015154 + 20111015155.

It is an arithmetic number, because the mean of its divisors is an integer number (20111015155).

Almost surely, 2^40222030309 is an apocalyptic number.

It is an amenable number.

40222030309 is a deficient number, since it is larger than the sum of its proper divisors (1).

40222030309 is an equidigital number, since it uses as much as digits as its factorization.

40222030309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The spelling of 40222030309 in words is "forty billion, two hundred twenty-two million, thirty thousand, three hundred nine".