2220748356479 has 2 divisors, whose sum is σ = 2220748356480. Its totient is φ = 2220748356478.

The previous prime is 2220748356433. The next prime is 2220748356517. The reversal of 2220748356479 is 9746538470222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2220748356479 - 2⁸ = 2220748356223 is a prime.

It is a super-2 number, since 2×2220748356479² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220748352479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110374178239 + 1110374178240.

It is an arithmetic number, because the mean of its divisors is an integer number (1110374178240).

Almost surely, 2^{2220748356479} is an apocalyptic number.

2220748356479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220748356479 is an equidigital number, since it uses as much as digits as its factorization.

2220748356479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40642560, while the sum is 59.

The spelling of 2220748356479 in words is "two trillion, two hundred twenty billion, seven hundred forty-eight million, three hundred fifty-six thousand, four hundred seventy-nine".