2225522656639 has 2 divisors, whose sum is σ = 2225522656640. Its totient is φ = 2225522656638.

The previous prime is 2225522656603. The next prime is 2225522656663. The reversal of 2225522656639 is 9366562255222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2225522656639 - 2⁹ = 2225522656127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2225522656639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2225522656439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112761328319 + 1112761328320.

It is an arithmetic number, because the mean of its divisors is an integer number (1112761328320).

Almost surely, 2^{2225522656639} is an apocalyptic number.

2225522656639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225522656639 is an equidigital number, since it uses as much as digits as its factorization.

2225522656639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328000, while the sum is 55.

The spelling of 2225522656639 in words is "two trillion, two hundred twenty-five billion, five hundred twenty-two million, six hundred fifty-six thousand, six hundred thirty-nine".