2220654300461 has 2 divisors, whose sum is σ = 2220654300462. Its totient is φ = 2220654300460.

The previous prime is 2220654300457. The next prime is 2220654300493. The reversal of 2220654300461 is 1640034560222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1823242575625 + 397411724836 = 1350275^2 + 630406^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220654300461 - 2² = 2220654300457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220654308461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110327150230 + 1110327150231.

It is an arithmetic number, because the mean of its divisors is an integer number (1110327150231).

Almost surely, 2^{2220654300461} is an apocalyptic number.

It is an amenable number.

2220654300461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220654300461 is an equidigital number, since it uses as much as digits as its factorization.

2220654300461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 2220654300461 its reverse (1640034560222), we get a palindrome (3860688860683).

The spelling of 2220654300461 in words is "two trillion, two hundred twenty billion, six hundred fifty-four million, three hundred thousand, four hundred sixty-one".