2220977448601 has 2 divisors, whose sum is σ = 2220977448602. Its totient is φ = 2220977448600.

The previous prime is 2220977448589. The next prime is 2220977448667. The reversal of 2220977448601 is 1068447790222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2059354152025 + 161623296576 = 1435045^2 + 402024^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220977448601 - 2⁹ = 2220977448089 is a prime.

It is a super-4 number, since 4×2220977448601⁴ (a number of 50 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (2220977448901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110488724300 + 1110488724301.

It is an arithmetic number, because the mean of its divisors is an integer number (1110488724301).

Almost surely, 2^{2220977448601} is an apocalyptic number.

It is an amenable number.

2220977448601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220977448601 is an equidigital number, since it uses as much as digits as its factorization.

2220977448601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 2220977448601 in words is "two trillion, two hundred twenty billion, nine hundred seventy-seven million, four hundred forty-eight thousand, six hundred one".