2220687136247 has 2 divisors, whose sum is σ = 2220687136248. Its totient is φ = 2220687136246.

The previous prime is 2220687136223. The next prime is 2220687136337. The reversal of 2220687136247 is 7426317860222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220687136247 - 2³² = 2216392168951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220687136195 and 2220687136204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220687136747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110343568123 + 1110343568124.

It is an arithmetic number, because the mean of its divisors is an integer number (1110343568124).

Almost surely, 2^{2220687136247} is an apocalyptic number.

2220687136247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220687136247 is an equidigital number, since it uses as much as digits as its factorization.

2220687136247 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 50.

The spelling of 2220687136247 in words is "two trillion, two hundred twenty billion, six hundred eighty-seven million, one hundred thirty-six thousand, two hundred forty-seven".