38229222077 has 2 divisors, whose sum is σ = 38229222078. Its totient is φ = 38229222076.

The previous prime is 38229221969. The next prime is 38229222089. The reversal of 38229222077 is 77022292283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29360479801 + 8868742276 = 171349^2 + 94174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38229222077 is a prime.

It is a super-2 number, since 2×38229222077² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38229522077) 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, 19114611038 + 19114611039.

It is an arithmetic number, because the mean of its divisors is an integer number (19114611039).

Almost surely, 2^38229222077 is an apocalyptic number.

It is an amenable number.

38229222077 is a deficient number, since it is larger than the sum of its proper divisors (1).

38229222077 is an equidigital number, since it uses as much as digits as its factorization.

38229222077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 38229222077 in words is "thirty-eight billion, two hundred twenty-nine million, two hundred twenty-two thousand, seventy-seven".