2222222201077 has 2 divisors, whose sum is σ = 2222222201078. Its totient is φ = 2222222201076.

The previous prime is 2222222201039. The next prime is 2222222201159. The reversal of 2222222201077 is 7701022222222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2221795943761 + 426257316 = 1490569^2 + 20646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222222201077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222222231077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111111100538 + 1111111100539.

It is an arithmetic number, because the mean of its divisors is an integer number (1111111100539).

Almost surely, 2^{2222222201077} is an apocalyptic number.

It is an amenable number.

2222222201077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222222201077 is an equidigital number, since it uses as much as digits as its factorization.

2222222201077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 31.

Adding to 2222222201077 its reverse (7701022222222), we get a palindrome (9923244423299).

The spelling of 2222222201077 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, seventy-seven".