2227144380787 has 2 divisors, whose sum is σ = 2227144380788. Its totient is φ = 2227144380786.

The previous prime is 2227144380739. The next prime is 2227144380887. The reversal of 2227144380787 is 7870834417222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2227144380787 is a prime.

It is a super-2 number, since 2×2227144380787² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2227144380707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113572190393 + 1113572190394.

It is an arithmetic number, because the mean of its divisors is an integer number (1113572190394).

Almost surely, 2^{2227144380787} is an apocalyptic number.

2227144380787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227144380787 is an equidigital number, since it uses as much as digits as its factorization.

2227144380787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8429568, while the sum is 55.

The spelling of 2227144380787 in words is "two trillion, two hundred twenty-seven billion, one hundred forty-four million, three hundred eighty thousand, seven hundred eighty-seven".