52221868822187 has 2 divisors, whose sum is σ = 52221868822188. Its totient is φ = 52221868822186.

The previous prime is 52221868822147. The next prime is 52221868822213. The reversal of 52221868822187 is 78122886812225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52221868822187 - 2²² = 52221864627883 is a prime.

It is not a weakly prime, because it can be changed into another prime (52221868822117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26110934411093 + 26110934411094.

It is an arithmetic number, because the mean of its divisors is an integer number (26110934411094).

Almost surely, 2^{52221868822187} is an apocalyptic number.

52221868822187 is a deficient number, since it is larger than the sum of its proper divisors (1).

52221868822187 is an equidigital number, since it uses as much as digits as its factorization.

52221868822187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27525120, while the sum is 62.

The spelling of 52221868822187 in words is "fifty-two trillion, two hundred twenty-one billion, eight hundred sixty-eight million, eight hundred twenty-two thousand, one hundred eighty-seven".