30223122077 has 2 divisors, whose sum is σ = 30223122078. Its totient is φ = 30223122076.

The previous prime is 30223122023. The next prime is 30223122091. The reversal of 30223122077 is 77022132203.

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., 25880443876 + 4342678201 = 160874^2 + 65899^2 .

It is a cyclic number.

It is not a de Polignac number, because 30223122077 - 2²⁸ = 29954686621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30223122277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111561038 + 15111561039.

It is an arithmetic number, because the mean of its divisors is an integer number (15111561039).

Almost surely, 2^30223122077 is an apocalyptic number.

It is an amenable number.

30223122077 is a deficient number, since it is larger than the sum of its proper divisors (1).

30223122077 is an equidigital number, since it uses as much as digits as its factorization.

30223122077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The spelling of 30223122077 in words is "thirty billion, two hundred twenty-three million, one hundred twenty-two thousand, seventy-seven".