222221110219847 has 2 divisors, whose sum is σ = 222221110219848. Its totient is φ = 222221110219846.

The previous prime is 222221110219841. The next prime is 222221110219877. The reversal of 222221110219847 is 748912011122222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222221110219847 - 2²² = 222221106025543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222221110219798 and 222221110219807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222221110219841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110555109923 + 111110555109924.

It is an arithmetic number, because the mean of its divisors is an integer number (111110555109924).

Almost surely, 2^{222221110219847} is an apocalyptic number.

222221110219847 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221110219847 is an equidigital number, since it uses as much as digits as its factorization.

222221110219847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 222221110219847 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred ten million, two hundred nineteen thousand, eight hundred forty-seven".