2222939977 has 2 divisors, whose sum is σ = 2222939978. Its totient is φ = 2222939976.

The previous prime is 2222939963. The next prime is 2222939981. The reversal of 2222939977 is 7799392222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2130376336 + 92563641 = 46156^2 + 9621^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222939977 - 2¹¹ = 2222937929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222939177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111469988 + 1111469989.

It is an arithmetic number, because the mean of its divisors is an integer number (1111469989).

Almost surely, 2^2222939977 is an apocalyptic number.

It is an amenable number.

2222939977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222939977 is an equidigital number, since it uses as much as digits as its factorization.

2222939977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 52.

The square root of 2222939977 is about 47148.0644035362. The cubic root of 2222939977 is about 1305.0963610138.

The spelling of 2222939977 in words is "two billion, two hundred twenty-two million, nine hundred thirty-nine thousand, nine hundred seventy-seven".